I recently finished a collection of Nursery Rhymes arranged for the organ. To hear the complete collection, they are compiled here.
http://youtu.be/h572RzNMPX4
To purchase the sheet music, go here:
http://www.musicaneo.com/sheetmusic/sm-206860_nursery_rhymes_for_organ.html
The selections are as follows:
B.I.N.G.O.
Ten Little Indians
This Old Man
Did You Ever See A Lassie
London Bridge is Falling Down
Mary Had a Little Lamb
Itsy Bitsy Spider
Old MacDonald
Pop Goes The Weasel
Twinkle Twinkle Little Star