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Aaron Burt Grosh.

Reverend Aaron Burt Grosh (1803 – March 27, 1884), a Universalist minister, was one of the eight founders of the National Grange of the Order of Patrons of Husbandry, a fraternal organization in the United States. He had a major part in the design of the Grange ritual and was also responsible for the various songs used during various celebrations of the Grange.

Grosh accepted a position in the U.S. Department of Agriculture soon after its establishment, where he served as the first Department Librarian of the United States National Agricultural Library from 1867 until 1869.[1]

He wrote a volume for members of the Grange to give them a better understanding of the organization and its teachings. He also wrote the Odd Fellows Improved Manual for the same purpose.