The collection consists primarily of photographs covering a wide variety of subjects, including Patrick Hemingway, Ernest (alone and with others), various scenes, and a large quantity of miscellaneous images, mostly of outdoor sports (fishing primarily) and leisure time with family and friends. The collection includes two photographs by Man Ray. The collection also contains a selection of family correspondence between Ernest, Patrick ["Mouse"], Gregory [Ernest's second son with Pauline, "Gigi"], Jack [Ernest's first son with first wife Elizabeth Hadley Richardson, "Bumby"], and Pauline. Included are letters of Pauline's parents, Mr. and Mrs. Paul Pfeiffer, Martha (Gellhorn) Hemingway [Ernest's third wife], Mary (Welsh) Hemingway [Ernest's fourth wife], Elizabeth Hadley (Richardson) Hemingway Mawre [Ernest's first wife], Virginia Pfeiffer [Pauline's sister], and Winston Guest, as well as 21 letters received by Ernest and Pauline on the occasion of their wedding (1927). Other materials in the collection include Ernest's will, Pauline's passports, ephemera, Patrick's school papers, postage stamps, postcards, negatives, and assorted clippings.