Statistics for occurrence #1 of “Roulston” in chapter 4 of Historic leaves, volume 8, April, 1909 - January, 1910:

...e proprietor of the well-known circulating library in Boston. John Roulston was the nephew of Rev. Samuel Capen, who was then settled in Sterling. The day after the lamb's visit to school young Roulston rode over to the schoolhouse and handed Mary the first three stanzas of the poem:— Mary had a little lamb, Its fleece was white as snow, And everywhere that Mary went The lamb was sure to g...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
John Roulston 12 12 0 0 0 user votes
Roulston 2 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.