Contains materials from the A. Dean Larsen Book Collecting Conference, including conference programs and guides, brochures and information cards, various artifacts and handouts from conference sessions, evaluation forms, nametags, a copy of the Winter 2008 BYU Magazine, and printouts of maps to the conference. Covers conference topics including various book repair and enhancing techniques, presentations on literature, and book collection techniques. Dated from 2004 to 2019.

Contains journals, a letter, clippings, and other materials by Teasdale from between 1916 and 1919. Writings deal with family and personal activities in Madera County, California.

Contains two rare books and six small journals related to Latter Day Saint apostle George Teasdale (1831-1907), his son George Ezra Teasdale (1857-1935), and George Ezra's daughter June Emma Teasdale (1900-1920). Materials include in formation on family and social activities, as well as service in the Church of Jesus Christ of Latter-day Saints. Materials date from between 1841 and 1929.

Contains materials related to the works and publications of Rostenberg and Stern. Includes typescripts, edited copies, and final manuscripts of several books, book reviews, encyclopedia entries, and articles. Topics range from rare book collecting and early printing to Louisa May Alcott and Walt Whitman. Contains newspaper articles consulted in their research. Also included are audio tapes of lectures given and correspondence with publishers, editors, and personal friends.

Contains two books collected by the Teasdale family: Old Curiosity Shop by Charles Dickens published in 1851, and The Beauties of Shakespeare selected by William Dodd published in 1841. Both of these books were gifted and regifted among various members of the Teasdale family. They contain inscriptions and signatures ranging from 1854-1929 from George Teasdale, George Ezra Teasdale, Emily E. Teasdale, and Frances M. Brown (Emily E. Teasdale's sister).