. . . . . . . . "Portraits"@en . . . . . . . "Collection includes portraits of naturalists, zoologists, geologists, biologists and paleontologists from Aristotle to the present. Twentieth-century photographs frequently portray scientists at work in the laboratory and in the field. Group portraits include international conferences and staffs of scientific institutions worldwide."@en . "Contains engravings, lithographs, photographs in most techniques and formats, brass plaques, drawings and paintings."@en . . . . . . . "Plaques"@en . "Engravings"@en . "Museum of Comparative Zoology collection of portraits"@en . . . . . . . . "Lithographs"@en . . . . "Photoprints"@en . . . . . . . . . . "Drawings"@en . . . "MCZ portrait collection"@en . . . . . . . . . . . . "Paintings"@en . . . . .