Scope and Contents Philip Powell Calvert and Amelia Smith Calvert's Costa Rica Expedition Papers include notebooks, diaries, photographs and maps. The Calverts, Philip and Amelia, spent more than a year in Costa Rica studying natural history. The itinerary and field notes were preserved in 10 small notebooks, photographs were taken (31 included here) and a diary written, the latter occupying 2 volumes. From this mateiral, their book was later published, Mrs. Calvert's manuscript volumes on the plants...