Peter Cameron is the author of New Hymenoptera Mostly from Nicaragua (1904), Descriptions of New Genera and Species of Hymenoptera from Dunbrody, Cape Colony (1904), A New Species of Macrojoppa (Ichneumonidae) from Iruckel Pass, California (1902), Descriptions of New Genera and Species of American Hymenoptera (1902), On the Hymenoptera Collected During the "Skeat Expedition" to the Malay Peninsula, 1899-1900 (1901).