According to James J. Fuld (The Book of World-Famous Music, 5th ed., Dover, 2000, p. 342), "Love's Old Sweet Song" was "[p]ublished Oct. 13, 1884, by Boosey & Co." The original arrangement [midi] with lyrics is at Publish Domain Music: Music from 1866-1899, under "1884." The 1890 edition is also at Historic American Sheet Music.