A search on the web uncovered 82 references to this song, none of which, unfortunately, disclosed the author. Mostly it is of interest to computer programmers, who develop programs dedicated to singing all the verses. The lyrics, which I believe are not on DT as yet, go:

NINETY-NINE BOTTLES OF BEER

99 bottles of beer on the wall, 99 bottles of beer, take one down, pass it around, 98 bottles of beer on the wall.
98 bottles of beer on the wall, 98 bottles of beer, take one down, pass it around, 97 bottles of beer on the wall.
97 bottles of beer on the wall, 97 bottles of beer, take one down, pass it around, 96 bottles of beer on the wall.
96 bottles of beer on the wall, 96 bottles of beer, take one down, pass it around, 95 bottles of beer on the wall.
95 bottles of beer on the wall, 95 bottles of beer, take one down, pass it around, 94 bottles of beer on the wall.
94 bottles of beer on the wall, 94 bottles of beer, take one down, pass it around, 93 bottles of beer on the wall.
93 bottles of beer on the wall, 93 bottles of beer, take one down, pass it around, 92 bottles of beer on the wall.
92 bottles of beer on the wall, 92 bottles of beer, take one down, pass it around, 91 bottles of beer on the wall.
91 bottles of beer on the wall, 91 bottles of beer, take one down, pass it around, 90 bottles of beer on the wall.
90 bottles of beer on the wall, 90 bottles of beer, take one down, pass it around, 89 bottles of beer on the wall.
89 bottles of beer on the wall, 89 bottles of beer, take one down, pass it around, 88 bottles of beer on the wall.
88 bottles of beer on the wall, 88 bottles of beer, take one down pass it around, 87 bottles of beer on the wall.
87 bottles of beer on the wall, 87 bottles of beer, take one down, pass it around, 86 bottles of beer on the wall.
86 bottles of beer on the wall, 86 bottles of beer, take one down, pass it around, 85 bottles of beer on the wall.
85 bottles of beer on the wall, 85 bottles of beer, take one down, pass it around, 84 bottles of beer on the wall.
84 bottles of beer on the wall, 84 bottles of beer, take one down, pass it around, 83 bottles of beer on the wall.
83 bottles of beer on the wall, 83 bottles of beer, take one down, pass it around, 82 bottles of beer on the wall.
82 bottles of beer on the wall, 82 bottles of beer, take one down, pass it around, 81 bottles of beer on the wall.
81 bottles of beer on the wall, 81 bottles of beer, take one down, pass it around, 80 bottles of beer on the wall.
80 bottles of beer on the wall, 80 bottles of beer, take one down, pass it around, 79 bottles of beer on the wall.
79 bottles of beer on the wall, 79 bottles of beer, take one down, pass it around, 78 bottles of beer on the wall.
78 bottles of beer on the wall, 78 bottles of beer, take one down, pass it around, 77 bottles of beer on the wall.
77 bottles of beer on the wall, 77 bottles of beer, take one down, pass it around, 76 bottles of beer on the wall.
76 bottles of beer on the wall, 76 bottles of beer, take one down, pass it around, 75 bottles of beer on the wall.
75 bottles of beer on the wall, 75 bottles of beer, take one down, pass it around, 74 bottles of beer on the wall.
74 bottles of beer on the wall, 74 bottles of beer, take one down, pass it around, 73 bottles of beer on the wall.
73 bottles of beer on the wall, 73 bottles of beer, take one down, pass it around, 72 bottles of beer on the wall.
72 bottles of beer on the wall, 72 bottles of beer, take one down, pass it around, 71 bottles of beer on the wall.
71 bottles of beer on the wall, 71 bottles of beer, take one down, pass it around, 70 bottles of beer on the wall.
70 bottles of beer on the wall, 70 bottles of beer, take one down, pass it around, 69 bottles of beer on the wall.
69 bottles of beer on the wall, 69 bottles of beer, take one down, pass it around, 68 bottles of beer on the wall.
68 bottles of beer on the wall, 68 bottles of beer, take one down, pass it around, 67 bottles of beer on the wall.
67 bottles of beer on the wall, 67 bottles of beer, take one down, pass it around, 66 bottles of beer on the wall.
66 bottles of beer on the wall, 66 bottles of beer, take one down, pass it around, 65 bottles of beer on the wall.
65 bottles of beer on the wall, 65 bottles of beer, take one down, pass it around, 64 bottles of beer on the wall.
64 bottles of beer on the wall, 64 bottles of beer, take one down, pass it around, 63 bottles of beer on the wall.
63 bottles of beer on the wall, 63 bottles of beer, take one down, pass it around, 62 bottles of beer on the wall.
62 bottles of beer on the wall, 62 bottles of beer, take one down, pass it around, 61 bottles of beer on the wall.
61 bottles of beer on the wall, 61 bottles of beer, take one down, pass it around, 60 bottles of beer on the wall.
60 bottles of beer on the wall, 60 bottles of beer, take one down, pass it around, 59 bottles of beer on the wall.
59 bottles of beer on the wall, 59 bottles of beer, take one down, pass it around, 58 bottles of beer on the wall.
58 bottles of beer on the wall, 58 bottles of beer, take one down, pass it around, 57 bottles of beer on the wall.
57 bottles of beer on the wall, 57 bottles of beer, take one down, pass it around, 56 bottles of beer on the wall.
56 bottles of beer on the wall, 56 bottles of beer, take one down, pass it around, 55 bottles of beer on the wall.
55 bottles of beer on the wall, 55 bottles of beer, take one down, pass it around, 54 bottles of beer on the wall.
54 bottles of beer on the wall, 54 bottles of beer, take one down, pass it around, 53 bottles of beer on the wall.
53 bottles of beer on the wall, 53 bottles of beer, take one down, pass it around, 52 bottles of beer on the wall.
52 bottles of beer on the wall, 52 bottles of beer, take one down, pass it around, 51 bottles of beer on the wall.
51 bottles of beer on the wall, 51 bottles of beer, take one down, pass it around, 50 bottles of beer on the wall.
50 bottles of beer on the wall, 50 bottles of beer, take one down, pass it around, 49 bottles of beer on the wall.
49 bottles of beer on the wall, 49 bottles of beer, take one down, pass it around, 48 bottles of beer on the wall.
48 bottles of beer on the wall, 48 bottles of beer, take one down, pass it around, 47 bottles of beer on the wall.
47 bottles of beer on the wall, 47 bottles of beer, take one down, pass it around, 46 bottles of beer on the wall.
46 bottles of beer on the wall, 46 bottles of beer, take one down, pass it around, 45 bottles of beer on the wall.
45 bottles of beer on the wall, 45 bottles of beer, take one down, pass it around, 44 bottles of beer on the wall.
44 bottles of beer on the wall, 44 bottles of beer, take one down, pass it around, 43 bottles of beer on the wall.
43 bottles of beer on the wall, 43 bottles of beer, take one down, pass it around, 42 bottles of beer on the wall.
42 bottles of beer on the wall, 42 bottles of beer, take one down, pass it around, 41 bottles of beer on the wall.
41 bottles of beer on the wall, 41 bottles of beer, take one down, pass it around, 40 bottles of beer on the wall.
40 bottles of beer on the wall, 40 bottles of beer, take one down, pass it around, 39 bottles of beer on the wall.
39 bottles of beer on the wall, 39 bottles of beer, take one down, pass it around, 38 bottles of beer on the wall.
38 bottles of beer on the wall, 38 bottles of beer, take one down, pass it around, 37 bottles of beer on the wall.
37 bottles of beer on the wall, 37 bottles of beer, take one down, pass it around, 36 bottles of beer on the wall.
36 bottles of beer on the wall, 36 bottles of beer, take one down, pass it around, 35 bottles of beer on the wall.
35 bottles of beer on the wall, 35 bottles of beer, take one down, pass it around, 34 bottles of beer on the wall.
34 bottles of beer on the wall, 34 bottles of beer, take one down, pass it around, 33 bottles of beer on the wall.
33 bottles of beer on the wall, 33 bottles of beer, take one down, pass it around, 32 bottles of beer on the wall.
32 bottles of beer on the wall, 32 bottles of beer, take one down, pass it around, 31 bottles of beer on the wall.
31 bottles of beer on the wall, 31 bottles of beer, take one down, pass it around, 30 bottles of beer on the wall.
30 bottles of beer on the wall, 30 bottles of beer, take one down, pass it around, 29 bottles of beer on the wall.
29 bottles of beer on the wall, 29 bottles of beer, take one down, pass it around, 28 bottles of beer on the wall.
28 bottles of beer on the wall, 28 bottles of beer, take one down, pass it around, 27 bottles of beer on the wall.
27 bottles of beer on the wall, 27 bottles of beer, take one down, pass it around, 26 bottles of beer on the wall.
26 bottles of beer on the wall, 26 bottles of beer, take one down, pass it around, 25 bottles of beer on the wall.
25 bottles of beer on the wall, 25 bottles of beer, take one down, pass it around, 24 bottles of beer on the wall.
24 bottles of beer on the wall, 24 bottles of beer, take one down, pass it around, 23 bottles of beer on the wall.
23 bottles of beer on the wall, 23 bottles of beer, take one down, pass it around, 22 bottles of beer on the wall.
22 bottles of beer on the wall, 22 bottles of beer, take one down, pass it around, 21 bottles of beer on the wall.
21 bottles of beer on the wall, 21 bottles of beer, take one down, pass it around, 20 bottles of beer on the wall.
20 bottles of beer on the wall, 20 bottles of beer, take one down, pass it around, 19 bottles of beer on the wall.
19 bottles of beer on the wall, 19 bottles of beer, take one down, pass it around, 18 bottles of beer on the wall.
18 bottles of beer on the wall, 18 bottles of beer, take one down, pass it around, 17 bottles of beer on the wall.
17 bottles of beer on the wall, 17 bottles of beer, take one down, pass it around, 16 bottles of beer on the wall.
16 bottles of beer on the wall, 16 bottles of beer, take one down, pass it around, 15 bottles of beer on the wall.
15 bottles of beer on the wall, 15 bottles of beer, take one down, pass it around, 14 bottles of beer on the wall.
14 bottles of beer on the wall, 14 bottles of beer, take one down, pass it around, 13 bottles of beer on the wall.
13 bottles of beer on the wall, 13 bottles of beer, take one down, pass it around, 12 bottles of beer on the wall.
12 bottles of beer on the wall, 12 bottles of beer, take one down, pass it around, 11 bottles of beer on the wall.
11 bottles of beer on the wall, 11 bottles of beer, take one down, pass it around, 10 bottles of beer on the wall.
10 bottles of beer on the wall, 10 bottles of beer, take one down, pass it around, 9 bottles of beer on the wall.
  9 bottles of beer on the wall, 9 bottles of beer, take one down, pass it around, 8 bottles of beer on the wall.
  8 bottles of beer on the wall, 8 bottles of beer, take one down, pass it around, 7 bottles of beer on the wall.
  7 bottles of beer on the wall, 7 bottles of beer, take one down, pass it around, 6 bottles of beer on the wall.
  6 bottles of beer on the wall, 6 bottles of beer, take one down, pass it around, 5 bottles of beer on the wall.
  5 bottles of beer on the wall, 5 bottles of beer, take one down, pass it around, 4 bottles of beer on the wall.
  4 bottles of beer on the wall, 4 bottles of beer, take one down, pass it around, 3 bottles of beer on the wall.
  3 bottles of beer on the wall, 3 bottles of beer, take one down, pass it around, 2 bottles of beer on the wall.
  2 bottles of beer on the wall, 2 bottles of beer, take one down, pass it around, 1 bottle of beer on the wall.
  1 bottle of beer on the wall, 1 bottle of beer, take one down, pass it around, no more bottles of beer on the wall.