"Massachusetts, Revolutionary War, Index Cards to Muster Rolls, 1775-1783," database with images, FamilySearch
(https://familysearch.org/ark:/61903/1:1:Q2RC-3Q8R : 17 March 2018), Caleb Perry, 19 Apr 1775; citing Military Service, Petersham, Petersham, Worcester, Massachusetts Bay, British Colonial America, Massachusetts State Archives, Boston; FHL microfilm 2,031,605.
(https://familysearch.org/ark:/61903/1:1:Q2RW-D3ZV : 17 March 2018), Caleb Perry, 10 Jun 1775; citing Military Service, Massachusetts Bay, British Colonial America, Massachusetts State Archives, Boston; FHL microfilm 2,031,605.
(https://familysearch.org/ark:/61903/1:1:Q2RW-D3D4 : 17 March 2018), Caleb Perry, 01 Aug 1775; citing Military Service, Petersham, Petersham, Worcester, Massachusetts Bay, British Colonial America, Massachusetts State Archives, Boston; FHL microfilm 2,031,605.
(https://familysearch.org/ark:/61903/1:1:Q2RH-K52Z : 17 March 2018), Caleb Perry, 06 Oct 1775; citing Military Service, Petersham, Petersham, Worcester, Massachusetts Bay, British Colonial America, Massachusetts State Archives, Boston; FHL microfilm 2,031,605.
"Massachusetts, Town Clerk, Vital and Town Records, 1626-2001," database with images, FamilySearch
(https://www.familysearch.org/ark:/61903/1:1:FHQ2-X65 : 10 November 2020), Caleb Perry, 25 Aug 1775; citing Marriage, Petersham, Worcester, Massachusetts Bay Colony, British Colonial America, Massachusetts Secretary of the Commonwealth, Boston; FHL microfilm 007011136.
(https://www.familysearch.org/ark:/61903/1:1:FH7H-KZH : 10 November 2020), Caleb Perry, 25 Aug 1775; citing Marriage, Petersham, Worcester, Massachusetts Bay Colony, British Colonial America, Massachusetts Secretary of the Commonwealth, Boston; FHL microfilm 007011136.
"United States Rosters of Revolutionary War Soldiers and Sailors, 1775-1783," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QG2M-69PK : 1 March 2021), Caleb Perry, 27 Apr 1775; citing Military Service, , Citing various published state rosters, United States; FHL microfilm 101711089.