1911-1919 Box 313 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978SScientific Materials Company (Pittsburgh, Pa.)
1911-1923 Box 96, Folder 1164-1166 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978EEimer and Amend (New York, N.Y.)
1911-1928 Box 148 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978IIngersoll-Rand Company (New York, N.Y.)
1912- Box 307, Folder 3630 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978SStevens-Duryea Company (Chicopee Falls, Mass.)
1912- Box 372 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978WWestern Electric Company (New York, N.Y., etc.)
1912-1921 Box 165, Folder 2006-2007 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978KKnott, L. E., Apparatus Company (Boston, Mass.)
1913-1915 Box 352, Folder 4183-4184 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978WWalworth Manufacturing Company (Boston, Mass.)
1914-1915 Box 243 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978PPackard Motor Car Company (Detroit, Mich.)
1914-1941 Box 188, Folder 2477-2481 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978MMersick, C. S., and Company (New Haven, Conn.)
1915- Box 175 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Trade catalogs collection., 1800-1978LLackawanna Steel Company (Buffalo, N.Y.)