Acarological and arachnological notes / by L. van der HammenSome notes on taxonomic methodology / by L. van der HammenUnfoldment and manifestation : seven essays on evolution and classification / L. van der HammenAn introduction to comparative arachnology / L. van der HammenGlossary of acarological terminology = Glossaire de la terminologie acarologique / by L. van der HammenThe Oribatei (Acari) of the Netherlands / door Leendert van der HammenScrub typhus en scrub itch, in het bijzonder in Nieuw Guinea / L. van der HammenBerlese's primitive Oribatid mites / by L. van der HammenStudies on Opilioacarida (Arachnida) : I: Description of Opiliocarus texanus (Chamberlin & Mulak) and revised classification of the genera / by L. van der HammenThe morphology of Glyptholaspis confusa (Foà, 1900) (Acarida, Gamasina) / by L. van der HammenThe Oribatei (Acari) of the Netherlands / by L. van der HammenGlossary of acarological terminology = Glossaire de la terminologie acarologique / L. van der HammenComparative studies in Chelicerata. I The Cryptognomae (Ricinulei, Architarbi and Anactinotrichida) / by L. van der HammenComparative studies in Chelicerata. II Epimerata (Palpigradi and Actinotrichida) / by L. van der HammenGlossary of acarological terminology = Glossaire de la terminologie acarologique / L. van der HammenA new classification of chelicerata / by L. van der HammenComparative studies in Chelicerata / L. van der HammenThe gnathosoma of Hermannia convexa (C.L. Koch) (Acarida: Oribatina) and comparative remarks on its morphology in other mites / by L. van der HammenTarsonemoides limbatus nov. spec., and the systematic position of the Tarsonemida (Acarida) / by L. van der HammenMijten - Acarida : algemene inleiding in de acarologie / door L. van der HammenMorphology and postembryonic development of Rhizoglyphus echinopus (Fumouze & Robin)(Chelicerata, Actinotrichida) / by L. van der HammenComparative studies in Chelicerata / L. van der HammenThe distribution of spiders and harvestmen (Chelicerata) in the Dutch national park "De Hoge Veluwe" / by L. van der HammenNotes on the comparative morphology of Ticks (Anactinotrichida: Ixodida) / by L. van der HammenJohn Ruskin as zoologist / by L. van der HammenContribution to the knowledge of the soil-fauna of New Guinea / by L. van der HammenNew notes on Holothyrida (Anactinotrichid mites) / by L. van der HammenComparative studies in Chelicerata / L. van der HammenComparative studies in Chelicerata / by L. van der HammenComparative studies in Chelicerata / L. van der HammenA structuralist approach in the study of evolution and classification / by L. van der HammenRecovery of some of the missing wrappers of Berlese's Acari, Myriopoda et Scorpiones / by L. van der HammenThe morphology of Epilohmannia Zwarti spec. nov., an oribatid mite from New Guinea / by L. van der HammenNumerical changes and revolution in actinotrichid mites (Chelicerata) / by L. van der Hammen
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Glossary of acarological terminology = Glossaire de la terminologie acarologique / L. van der HammenOeuvres acarologiques complètes / [par] F. Grandjean ; ed. and introd. by L. van der HammenComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. Berlese ; ed. and introd. by L. van der Hammen in collab. with the Istituto Sperimentale per la Zoologia Agraria, FirenzeComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : acari, myriapoda et scorpiones hucusque in Italia reperta / A. BerleseComplete acarological works : collected acarological papers previously published in Redia, 1903-1923 / A. Berlese ; ed. by L. van der Hammen ; in collab. with the Istituto Sperimentale per la Zoologia Agraria, Firenze ; with an introd. by Fausta PegazzanoComplete acarological works : varia, 1881-1923 / A. Berlese ; ed. and introd. by L. van der Hammen in collab. with the Istituto Sperimentale per la Zoologia Agraria, FirenzeVariation in the number of ungues in Ameronothrus schneideri (Oudemans), an oribatid mite / F.E. Boelé and L. van der Hammen