1920- Box 192 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978MMersick, C. S., and Company (New Haven, Conn.)
1921- Box 387 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978YYale and Towne Manufacturing Company (New Haven, Conn.)
1922- Box 297 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978SSargent and Company (New York, N.Y.)
1922- Box 298 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978SSargent and Company (New York, N.Y.)
1923- Box 69 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978CCentral Scientific Company (Chicago, Ill.)
1923- Box 391 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978HHendey Machine Company (Torrington, Conn.)
1923-1934 Box 60, Folder 804-805 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978CCrane Company (Chicago, Ill.)
1924- Box 304 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978SSmith, H. B., Company (New York, N.Y., Westfield, Mass.)
1924-1928 Box 56, Folder 795-796 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978CCleveland Electric Tamrail Division of Cleveland Crane and Engineering Company (Wickliffe, Ohio)
1925- Box 193 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978MMersick, C. S., and Company (New Haven, Conn.)