History and Origin of Mary had a little lamb
The words of the American nursery rhyme 'Mary had a little lamb' would appeal to a small children and introduces imagery of similes (white as snow) as part of use of the English language. No specific historical connection can be traced to the words of 'Mary had a little lamb' but it can be confirmed that the song is American, as the words were written by Sarah Hale, of Boston, in 1830. An interesting historical note about this rhyme - the words of 'Mary had a Little Lamb' were the first ever recorded by Thomas Edison, on tin foil, on his phonograph.
Mary had a little lamb
Mary had a little lamb its fleece was white as snow
And everywhere that Mary went, the lamb was sure to go.
It followed her to school one day, which was against the rule
It made the children laugh and play, to see a lamb at school
To find the final location for this cache, you need to know the last two words of the Nursery Rhyme title.
The final cache is at S29 50.ABC E030 50.XYZ
A = The first letter - the second letter.
B = The 6th letter
C = The seventh letter - (the 8th letter + the last letter).
X = (The 9th letter - the second letter) + the 8th letter.
Y = The third letter - the 7th letter - the 6th letter.
Z = The the 4th letter - the 9th letter.