Cite
[Matt and Syd McComb] [graphic].
MLA
Found in envelope labeled: "McComb triplets".. "[Matt and Syd McComb] [graphic].." Library of Congress. 1974, http://hdl.loc.gov/loc.pnp/ppmsca.48499.
APA
Found in envelope labeled: "McComb triplets". (1974). [Matt and Syd McComb] [graphic].. Retrieved from http://hdl.loc.gov/loc.pnp/ppmsca.48499
Chicago
Found in envelope labeled: "McComb triplets".. "[Matt and Syd McComb] [graphic].." 1974. April 22, 2026. http://hdl.loc.gov/loc.pnp/ppmsca.48499.