Foose, T.J.; Strien, N.J. van; Rookmaaker, L.C. 2000. The Vietnamese rhinoceros. Asian Rhinos 3: 12-14, pls. 1-2, fig. 1.
Rookmaaker, L.C.; Pieters, F.F.J.M. 2000. Birds in the sales catalogue of Adriaan Vroeg (1764) described by Pallas and Vosmaer. Contributions to Zoology 69 (4): 271-277, fig. 1, table 1. doi.org/10.1163/18759866-06904005
Rookmaaker, L.C. 2000. The menagerie of the monastery in Theyboo, Myanmar. Back When and Then 4 (1): xiv.
Rookmaaker, L.C.; Monson, J. 2000. Woodcuts and engravings illustrating the journey of Clara, the most popular rhinoceros of the eighteenth century. Zoologische Garten 70 (5): 313-335, figs. 1-11, table 1.
Rookmaaker, L.C. 2000. The alleged population reduction of the southern white rhinoceros (Ceratotherium simum simum) and the successful recovery. Saugetierkundliche Mitteilungen 45 (2): 55-70, fig.1, tables 1-2.
Rookmaaker, L.C. 2000. William Daniell’s depictions of the rhinoceros in India [partly reprinted]. Really Rhinos 14 (3/4): 2-3, figs. 1-3.
Rookmaaker, L.C. 1999. A most impudent lying contradictory fellow. Rhino Watch 11 in SA Game & Hunt 5 (2): 28-29, fig. 1.
Rookmaaker, L.C. 1999. Review of Alain Zecchini, Le Rhinoceros, au nom de la corne. Pachyderm 27: 114-115.
Rookmaaker, L.C. 1999. Specimens of rhinoceros in European collections before 1778. Svenska Linnesallskapets Arsskrift 1998-1999: 59-80, figs. 1-7.
Rookmaaker, L.C. 1999. Records of the rhinoceros in Northern India. Saugetierkundliche Mitteilungen 44 (2): 51-78, figs. 1-4.
Rookmaaker, L.C. 1999. William Daniell’s depictions of the rhinoceros in India. Archives of Natural History 26 (2): 205-210, figs. 1-3.
Rookmaaker, L.C. 1999. Tracking the rhinoceros? Share your experiences. Hornbill 1999 July-September: 2.
Rookmaaker, L.C. 1999. Rhinoceros illustrations, 2: Henderyckx. Rhino Watch 10 in SA Game & Hunt 5 (1): 29, figs. 1-2.
Rookmaaker, L.C. 1999. Note on the third edition. In: Merz, A., Rhinos: at the brink of extinction, 3rd ed. Johannesburg, Longhorn Publishers. p. 8.
Rookmaaker, L.C. 1999. The name of the black rhinoceros (Factfile, no 1). Rhino Watch 10 in SA Game & Hunt 5 (1): 2.
Rookmaaker, L.C. 1999. Tracking the rhinoceros – share your experiences. Mitteilungen der Namibia Wissenschaftlichen Gesellschaft 40: 2.






