Rookmaaker, L.C. 2021.Early photographs of the greater one-horned rhinoceros (Rhinoceros unicornis) in the wild.Pachyderm 62: 98-104.
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Rookmaaker, L.C. 2021.Eponyms associated with the nomenclature of the recent species of rhinoceros.Pachyderm 62: 87-97.
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Rookmaaker, L.C. 2021.The Diard and Duvaucel collection of drawings.In: Dorai, F.; Low, M.E.Y., Diard & Duvaucel: French natural history drawings of Singapore and Southeast Asia, 1818-1820. Singapore, Epigram: pp. 53-179.
Rookmaaker, L.C. 2020.Twenty years of literature on the rhinoceros 2000-2019. Extracted from the Rhino Resource Center (RRC).Rhino Resource Center.pp. 1-346 [unpublished].
Rookmaaker, L.C. 2020.Appendix. Publications by Kees Rookmaaker (b.1953 Amsterdam) = Leendert Cornelis Rookmaaker.In: Twenty years of literature on the rhinoceros 2000-2019. RRC.pp. 333-346.
Rookmaaker, L.C. 2019.The history of the captive breeding programs of the Sumatran Rhinoceros 1984-2019.Report commissioned by the International Rhino Foundation.pp. 1-105.