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Eades, David C. (2000). "Evolutionary Relationships of Phallic Structures of Acridomorpha (Orthoptera)". Journal of Orthoptera Research (9): 181. doi:10.2307/3503648. JSTOR3503648.
Matheson, Robert (1946). "The Mosquito Atlas". The Quarterly Review of Biology. 21 (2): 190–191. doi:10.1086/395242. JSTOR2812547.
Hearty, Ryan (2020). "Redefining Boundaries: Ruth Myrtle Patrick's Ecological Program at the Academy of Natural Sciences of Philadelphia, 1947–1975". Journal of the History of Biology. 53 (4): 587–630. doi:10.1007/s10739-020-09622-5.
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Roth, L.M. (1985). "A revision of the cockroach genus Parasymploce (Dictyoptera: Blattaria: Blattellidae)". Journal of Natural History. 19 (3): 459–461. doi:10.1080/00222938500770321.
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Ross, Edward S.; Roberts, H. Radclyffe (1943). The Mosquito Atlas. Vol. I–II. Philadelphia: American Entomological Society, Academy of Natural Sciences. hdl:2027/coo.31924018291900.
jstor.org
Patrick, Ruth (1983). "Howard Radclyffe Roberts (1906–1982)". Obituaries. Proceedings of the Academy of Natural Sciences of Philadelphia. 135: 268–271. JSTOR4064811.
Sellin, David (1975). "The First Pose: Howard Roberts, Thomas Eakins, and a Century of Philadelphia Nudes". Philadelphia Museum of Art Bulletin. 70 (311/312): 5, 47–48, 54. doi:10.2307/3795229. JSTOR3795229.
"Scientific Notes and News". Science. 74 (1907): 68. 1931. JSTOR1656718.
Peck, Robert McCracken (2000). "To the Ends of the Earth for Science: Research Expeditions of the Academy of Natural Sciences: The First 150 Years, 1812–1962". Proceedings of the Academy of Natural Sciences of Philadelphia. 150: 15–46. JSTOR4065061.
Roberts, H. Radclyffe (1941). "A Comparative Study of the Subfamilies of the Acrididae (Orthoptera) Primarily on the Basis of Their Phallic Structures". Proceedings of the Academy of Natural Sciences of Philadelphia. 93: 201–246. JSTOR4064333.
Eades, David C. (2000). "Evolutionary Relationships of Phallic Structures of Acridomorpha (Orthoptera)". Journal of Orthoptera Research (9): 181. doi:10.2307/3503648. JSTOR3503648.
Matheson, Robert (1946). "The Mosquito Atlas". The Quarterly Review of Biology. 21 (2): 190–191. doi:10.1086/395242. JSTOR2812547.
Roberts, H. Radclyffe (1973). "Arboreal Orthoptera in the Rain Forests of Costa Rica Collected with Insecticide: A Report on the Grasshoppers (Acrididae), including New Species". Proceedings of the Academy of Natural Sciences of Philadelphia. 125: 49–66. JSTOR4064682.
"List of Members of the American Society of Mammalogists". Journal of Mammalogy. 46 (1): 167. 1965. JSTOR1377834.
Pilsbry, Herny A. (1953). "Inland Mollusca of Northern Mexico. II. Urocoptidae, Pupillidae, Strobilopsidae, Valloniidae and Cionellidae". Proceedings of the Academy of Natural Sciences of Philadelphia. 105: 159. JSTOR4064472.
Pilsbry, Henry A. (1932). "South American Land and Freshwater Mollusks, VIII: Collections of the Carriker–Roberts Peruvian Expedition of 1932". Proceedings of the Academy of Natural Sciences of Philadelphia. 84: 390–391. JSTOR4064136.
Carriker, M. A. Jr. (1933). "Descriptions of New Birds from Peru, with Notes on Other Little-Known Species". Proceedings of the Academy of Natural Sciences of Philadelphia. 85: 4. JSTOR4064167.
Rehn, James A. G.; Rehn, John W. H. (1939). "A Review of the New World Eumastacinae (Orthoptera, Acrididae): Part I". Proceedings of the Academy of Natural Sciences of Philadelphia. 91: 172–175. JSTOR4064289.
Rehn, James A. G.; Grant, Harold J. (1959). "A Review of the Romaleinae (Orthoptera; Acrididae) Found in America North of Mexico". Proceedings of the Academy of Natural Sciences of Philadelphia. 111: 216–217. JSTOR4064509.
Kevan, D. Keith McE.; Singh, Asket; Akbar, Syed S. (1964). "A Revision of the Mexican Pyrgomorphidae (Orthoptera: Acridoidea) I. Genera Other than Sphenarium". Proceedings of the Academy of Natural Sciences of Philadelphia. 116: 268–274. JSTOR4064626.
Emsley, Michael G. (1970). "A Revision of the Steirodontine Katydids (Orthoptera: Tettigoniidae: Phaneropterinae: Steirodontini)". Proceedings of the Academy of Natural Sciences of Philadelphia. 122: 183–184. JSTOR4064652.
Carbonell, Carlos S. (1984). "Radacridium nordestinum: A New Genus and Species of Romaleid Grasshoppers from the Brazilian Caatinga (Orthoptera, Acridoidea)". Proceedings of the Academy of Natural Sciences of Philadelphia. 136: 123–129. JSTOR4064822.
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"Hester Prynne & Pearl". The Library Company of Philadelphia Digital Collections. 2020. OBJ 540. Archived from the original on February 21, 2022. Retrieved February 21, 2022.