If there is anyone out there who remembers a poem from the 1960s about a boy waking up in the morning and deciding which head to put on his shoulders - the good one or the bad one?  A friend of mine is trying to find it.  Any ideas how to search?  Are there childrens' poetry databases?  She unfortunately doesn't know the poet or the first line, just that it was in a book of poems she had as a kid, and she is in her 60s now.

Thanks 
Elaine