Autobiographical and biographical material, correspondence, fan mail, photographs, awards and honors, public appearance material, critical reviews, a scrapbook, financial records, and promotional material. The Collection also contains material for fifty-five titles including research material, manuscripts, typescripts, galleys, blueprints, proofs, and dust jackets. For each of five titles, A breath of fresh air (1966); The country cousin (1967); The ghost of Ballyhooly (1971); Mystery in Marrakech (1968); and Petey (1973), there are typescripts, galleys, and proofs. For Banner year (1987); Joyride (1974); Mystery of the emerald buddha (1976); Mystery on safari (1970); Ruffles and drums (1975); Runaway voyage (1978); Stamp twice for murder (1981); and Wanted: A girl for the horses (1984) the Collection includes typescripts and galleys. For Jenny Kimura (1964); Mystery in the museum (1972); Romance on trial (1984); She's my girl! (1949); Storm in her heart (1983); The surfer and the city girl (1981); and Take a call, Topsy! there are typescripts and proofs. The Collection also includes research material for Banner year; The Country cousin; Joyride; Mystery of the emerald buddha; Ruffles and drums; Runaway voyage; Spice Island mystery (1969); and Stamp twice for murder. For Spice Island mystery there are also typescripts and blueprints. There are also blueprints for Romance on trial and the ghost of Ballyhooly. For each of four titles, Carlos of Mexico (1964); Doug of Australia (1965); Lo Chao of Hong Kong (1963); Noko of Japan (1964); and Tavi of the south seas (1965), the Collection holds photographs used for illustrations. There are typescripts only for Demetrios of Greece (1966); Don't bite your grandmother's ear (1975); The invention that wouldn't fly (1975); Secret passage (1946); and A time for tenderness (1962). The Collection has galleys for Going on sixteen (1946). There are also dust jackets for twenty-nine titles and several periodicals with articles by Cavanna.