Harde K. W., 1960: Erste Ergebnisse von Markierungsversuchen mit Agapanthia villosoviridescens Deg. (Col., Ceramb.). 8 pp. Stuttgarter Beiträge zur Naturkunde 42A: 1-8.

 Harde K. W., 1961: Untersuchungen über Körperproportionierung bei Cerambyx scopolii Düssl. und Cerambyx cerdo L. (Col., Ceramb.). 19 pp. Stuttgarter Beiträge zur Naturkunde 77A: 1-19.

 Harde K. W., 1975: Käfer – die erfolgreichste Tiergruppe der Welt. 31 pp. 

 Harde K. W., Köstlin R., 1961: Beiträge zur württembergischen Käferfauna I. 20 pp. 

 Harde K. W., Köstlin R., 1962: Beitrage zur württembergischen Käferfauna II. Curculionidae. 15 pp. 

 Harde K. W., Köstlin R., 1965: Beiträge zur württembergischen Käferfauna III. 22 pp. 

 Hardenberg J. D. F., 1926: Bijdrage tot de Kennis der Pupipara. 77 pp. 

 Hardenberg J. D. F., 1929: Beiträge zur Kenntnis der Pupiparen. 74 pp. 

 Hardie J., 1994: Variation in behavioural migration in aphids. 6 pp. 

 Harding P. T., 1979: Provisional atlas of the Insects of the British Isles. Part 9 Hymenoptera: Vespidae. 16 pp. 

 Hardman J. M., Rogers R. E. L., MacLellan C. R., 1988: Advantages and disadvantages of using pyrethroids in Nova Scotia aplle orchards. 13 pp. 

 Hardwick D. F., 1970: A generic revision of the North American Heliothidinae (Lepidoptera: Noctuidae). 59 pp. Memoirs of the Entomological Society of Canada 73: 1-59.

 Hardy A. R., 1971: The North American Areodina with a description of a new genus from California (Coleoptera: Scarabaeidae). 8 pp. 

 Hardy A. R., 1974: Revision of Thyce LeConte and related genera (Coleoptera: Scarabaeidae). 47 pp. 

 Hardy A. R., 1981: Polyphylla Harris in Baja California (Coleoptera: Scarabaeidae). 4 pp. The Coleopterists Bulletin 35(3): 299-302.

 Hardy A. R., 1984: John L. LeConte. 2 pp. The Coleopterists Bulletin 38(1): 97-98.

 Hardy A. R., 1986: Publication dates of some early papers by authors, such as John L. LeConte. 2 pp. The Coleopterists Bulletin 40(4): 357-358.

 Hardy A. R., 1988: Studies in the Euphoriina of the Americas. I. Introduction and generic concepts (Coleoptera: Scarabaeidae). 9 pp. The Coleopterists Bulletin 42(1): 1-9.

 Hardy A. R., Andrews F. G., 1986: Studies in the Coleoptera of western sand dunes. 2. Notes on four Scarabaeidae from the Algodones Dune System (Coleoptera: Scarabaeidae). 13 pp. The Coleopterists Bulletin 40(2): 127-139.

 Hardy A. R., Andrews F. G., 1987: Studies in the Coleoptera of western sand dunes. 3. Remarks upon Serica (Scarabaeidae) from some Nevada sand dunes with descriptions of two new taxa. 7 pp. The Coleopterists Bulletin 41(2): 173-179.

 Hardy A. R., Andrews F. G., Kavanaugh D. H., 1844-1883: The collected LeConte papers on Entomology.(American Coleoptera). Vols. I through VIII.  Discount 30%!
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 Hardy D. E., 1949: New Dorilaidae from the Belgian Congo. 10 pp. 

 Hardy D. E., 1950: A monographic study of the African Bibionidae (Diptera) Part I: Introduction and genus Bibio Geoffroy. 17 pp. 

 Hardy D. E., 1950: Homoneura vs. Sciomyza in Hawaii (Diptera). 1 pp. 

 Hardy D. E., 1950: Neotropical Dorilaidae Studies. Part 2 (Pipunculidae, Diptera). 16 pp. 

 Hardy D. E., 1950: Studies in Pacific Bibionidae (Diptera) Part I. 11 pp. 

 Hardy D. E., 1951: A monographic study of the African Bibionidae (Diptera) Part II: Genus Philia Meigen. 21 pp. 

 Hardy D. E., 1951: Proposal that the name "Dorilas" Meigen, 1800, should be retained and the name "Pipunculus" Latreille, (1802-1803) (Class Insecta, order Diptera) should be treated as a synonym. 2 pp. 

 Hardy D. E., 1951: Proposed addition to the "Official list of generic names in zoology" of the generic name "Philia" Meigen, 1800 (Class Insecta, order Diptera). 2 pp. 

 Hardy D. E., 1951: Studies in Pacific Bibionidae (Diptera) Part II: Genus Philia Meigen. 19 pp. 

 Hardy D. E., 1952: A monographic study of the African Bibionidae (Diptera) Part III, genus Plecia. 20 pp. 

 Hardy D. E., 1952: Additions and corrections to Bryan’s check list of the Hawaiian Diptera. 42 pp. 

 Hardy D. E., 1952: Flies collected in bait traps. 3 pp. 

 Hardy D. E., 1953: New Hawaiian Tipulidae (Diptera). 4 pp. 

 Hardy D. E., 1953: Studies in Hawaiian Dorilaidae (Diptera) Part I. 15 pp. 

 Hardy D. E., 1953: The Bibionidae of New Zealand (Diptera). 9 pp. 

 Hardy D. E., 1954: Neotropical Dorilaidae studies, part III. Brazilian species and a key to the known species of Dorilas sens. lat. 60 pp. 

 Hardy D. E., 1954: Notes and descriptions on Australian fruit flies (Diptera: Tephritidae). 6 pp. 

 Hardy D. E., 1954: Records of Bibionidae in the Musée Royal du Congo Belge, Tervuren. 3 pp. 

 Hardy D. E., 1954: Studies in new World Dorilaidae (Pipunculidae: Diptera). 7 pp. 

 Hardy D. E., 1955: Sphaeniscus Becker and Euphranta Loew of the Oriental and Pacific Regions (Tephritidae-Dipteraaa). 8 pp. 

 Hardy D. E., 1956: Austromyia neglecta Hardy, a new synonym of Neotoxura discoidalis (Bezzi) (Diptera: Pyrgotidae), with a discussion of some family relationships. 2 pp. 

 Hardy D. E., 1956: Dorilaidae (Pipunculidae) from the Commonwealth institute of entomology. 3 pp. 

 Hardy D. E., 1956: Insects of Micronesia. Diptera: Bibionidae and Scatopsidae. 16 pp. 

 Hardy D. E., 1956: Insects of Micronesia. Diptera: Coelopidae (Phycodromidae). 7 pp. 

 Hardy D. E., 1956: Insects of Micronesia. Diptera: Dorilaidae (Pipunculidae). 10 pp. 

 Hardy D. E., 1956: New Hawaiian Sciaridae (Diptera). 19 pp. 

 Hardy D. E., 1956: Proposed use of the plenary powers to validate the generic name "Campsicnemus" Haliday, 1851 (class Insecta, order Diptera). 3 pp. 

 Hardy D. E., 1956: The Walker types of Bibionidae (Diptera). 7 pp. 

 Hardy D. E., 1957: A review of the genera Sophira Walker and Tritaeniopteron De Meijere (Diptera: Tephritidae). 13 pp.