Historia naturalis bulgarica, Volume 1 (1989)

[Anonymous] — Historia naturalis bulgarica: 3—4 (in Bulgarian and English).

Popov, Alexi — The National Natural History Museum at the Bulgarian Academy of Sciences after 1974: 5—13 (in Bulgarian, summaries in Russian and English).

Petrusenko, Svetoslav — Development of the mineralogical collections of the National Natural History Museum: 14—21 (in Bulgarian, summaries in Russian and English).

Michajlova, Liljana — Ichthyological collections of the National Natural History Museum in Sofia: 22—28 (in Bulgarian, summaries in Russian and English).

Popov, Alexi — A review of the development of zoology in Bulgaria from the Russo-Turkish War to the end of the First World War (1878—1918): 29—33 (in Bulgarian, summaries in Russian and English).

Ribarov, Georgi — On some Chilopoda species (Myriapoda) published by S. Jurinich and K. Verhoeff: 34—35 (in English, summary in Russian).

Boev, Zlatozar — Variability of wing dimensions of the herons (Ardeidae — Aves) in Bulgaria: 36—43 (in Bulgarian, summaries in Russian and English).

Spassov, Nikolai — The position of jackals in the Canis genus and life-history of the golden jackal (Canis aureus L.) in Bulgaria and on the Balkans: 44—56 (in English, summary in Russian).

Spiridonov, Geko; Spassov, Nikolai — The otter (Lutra lutra L., 1758) in Bulgaria — status and conservation: 57—64 (in English, summary in Russian).

Nedeva, Donka — Volumetric drying of plants for botanical exhibitions: 65—71 (in Russian, summary in English).

Prostov, Alexander — Biogroups and dioramas in the natural history museums: 72—78 (in Bulgarian).

Beron, Petar — Academician Dr Ivan Buresch: 79 (in Bulgarian).