Gibb, you can read Murray & Marston online:

http://babel.hathitrust.org/cgi/pt?id=wu.89062373840;view=1up;seq=266;q1=tail;start=1;size=10;page=search;num=176

There's an interesting chapter called "Chanties," which may be the source of Marston's later booklet. Except for "Swing Your Tail," it all looks pretty familiar - but possibly because *later* writers plagiarized from Marston.