Papers consist of correspondence with family members and professional colleagues; diaries; photographs and research notes on early ornithologists; a bibliography of her Ph.D. thesis; travel literature; copies of grant applications (1960-1965); unpublished manuscripts. Family papers also include a genealogy of her Scandinavian ancestors. Papers are in English, Norwegian, and Swedish.

Four hand-colored ornithological engravings: "The Laughing Gull," Mark Catesby, from Birds of Colonial America, London 1784; "The Oyster Catcher," Mark Catesby, undated; "Paon de Mer," Count Georges Louis de Buffon, from the Natural History of Birds, Histoire naturelle des oiseaux, ca. 1798; "La foulque," Count Georges Louis de Buffon from the Natural History of Birds, Histoire naturelle des oiseaux, ca. 1798.