Fitch-Snyder, H.; Schulze, H.; Larsson, L. C., in preparation: Husbandry manual for Asian lorisinae (Nycticebus & Loris spp.). Center for Reproduction of Endangered Species, Zoological Society of San Diego, Box 551, San Diego, CA 92112-0551.

Hoeschen, G., Preuschoft, H., Schulze, H., 1995: Substratpräferenzen bei Schlankloris (Loris tardigradus, Halbaffen) in Gefangenschaft. Der Zoologische Garten N. F. 65 (4): 258-266.

Müller, E. F.; Nieschalk, U.; Meier, B., 1984: Thermoregulation in the slender loris (Loris tardigradus). Int. J. Primatol. Soc., July 1984, Nairobi, Kenya

Müller, E. F.; Nieschalk, U.; Meier, B., 1985: Thermoregulation in the slender loris (Loris tardigradus). Folia Primatologica 44: 216-226

Meier, B.; Preuschoft, H., 1985: Mutter-Kind-Verhalten bei Loris tardigradus nordicus HILL, Prosimiae. Verh. Dtsch. Zool. Ges. 78: 341

Meier, B., 1986: Genetic problems of breeding endangered species in captivity, Loris tardigradus (Primates) as a model. Abstr. XIth Congress of the Internat. Primatol. Soc., July 1986

Nieschalk, U.; Meier, B., 1984: Haltung und Zucht von Schlankloris (Loris tardigradus nordicus). Zeitschrift des Kölner Zoo 27: 95-100

Rumpler, Y.; Warter, S.; Meier, B.; Preuschoft, H.; Dutrillaux, B., 1987: Chromosomal phylogeny of three lorisidae: Loris tardigradus, Nycticebus coucang and Perodicticus potto. Folia Primatol. 48: 216-220.

Schulze, H., 1993: Stress bei Schlankloris in Gefangenschaft. Pp. 11-22 in: Arbeitsplatz Zoo Extra: Primaten, W. Schmiedeberg (ed.), Zoo Köln.

Schulze, H.,1998: Developing a husbandry manual to facilitate the distribution and presentation of information: with special reference to slender loris Loris tardigradus nordicus at Ruhr-University, Bochum. International Zoo Yearbook 36: 34-48.

Schulze, H.; Benirschke, K.; Doyle, G. A.; Johann, A.; Meier, B.; Wirth, R.; Zimmermann, E., 1998: A "check list" of possible items for prosimian husbandry manuals and research. Folia Primatologica 69 (Suppl. 1): 152-170. 
(Folia Primatologica 69, Suppl. 1, = Proceedings of the international conference on the biology and conservation of prosimians, Chester, 13-17 November 1995).

Schulze, H.; Meier, B., 1995: Behavior of captive Loris tardigradus nordicus: a qualitative description, including some information about morphological bases of behavior. Pp. 221-249 in: Creatures of the Dark, Alterman, L.; Doyle, G.; Izard, M. K. (eds.), Plenum Press, New York.

Schulze, H.; Meier, B., 1995: The subspecies of Loris tardigradus and their conservation status: a review. Pp. 193-209 in: Creatures of the Dark, Alterman, L.; Doyle, G.; Izard, M. K. (eds.), Plenum Press, New York.

Unpublished studbook and studbook supplements, continuously actualized, available on request from:

• International studbook for a captive population of the Northern Ceylonese slender loris, Loris tardigradus nordicus
• Husbandry information for Loris tardigradus. Continuously actualized, available in English, review in English and German.
• An actualized working copy of the check list of possible items for husbandry manuals (see below under literature), with general information and references also useful for other species, can be obtained on request as an e-mail attachment or via mail.
• Review: diseases of the Loridae (lorises and pottos). With figures for early recognition of health problems
• Illustrated identification key for species and populations of the Loridae, with distribution maps, information about standardized measuring for taxonomic identification and a chapter about survey methods. In preparation, discussion edition available.

Stress in captive slender lorises (Loris tardigradus, prosimian primates): a practical guide for care and quarantain. Schulze, H., 1993, unpublished (available in English or German). Update in preparation

• Species.net (Website for species-related conservation data, particularly for husbandry information): http://www.species.net
• Conservation Database for lorises and pottos: via Species.net or directly: http://www.loris-conservation.org/database/
• Quantum Conservation homepage:  http://www.quantum-conservation.org
• Loris homepage by Kimberley Anne Nekaris:  http://www.nocturnalprimate.org/