Komárek K., 1950: Efflorescences in the Lowland Moors near Poděbrady. 11 pp.  Acta Musei Nationalis Pragae 6B(4): 3-13.

Komárek K., Tuček K., 1951: Two new finds of goethite in the melaphyre of the piedmont Region of the Krkonoše (With chemical andd polarographical investigation). 15 pp.  Acta Musei Nationalis Pragae 7B(5): 3-17.

Komárek K., 1953: Chemical investigation of the mineral „sametka“ (velvet ore) of Příbram. 12 pp.  Acta Musei Nationalis Pragae 9B(3): 3-14.

Kouřimský J., Šatava V., 1954: A contribution to the question of the determination of minerals of Serpentine Group. 17 pp.  Acta Musei Nationalis Pragae 10B(4): 3-19.

Kouřimský J., Filčáková E., 1954: Research of the serpentine from Dobšiná. 11 pp.  Acta Musei Nationalis Pragae 10B(6): 3-13.

Klášterský I., 1955: Ascidia and Abortions in the leaves of Fagus silvatica L. var. Rohanii Körber. 41 pp. [88030]  Acta Musei Nationalis Pragae 11B(3): 3-43.

Komárek K., 1955: New methods of ultramicroanalysis for chemical investigations in museums. 30 pp.  Acta Musei Nationalis Pragae 11B(4): 3-32.

Kouřimský J., 1955: Contribution to identification of pyroxenes. 23 pp.  Acta Musei Nationalis Pragae 11B(7): 3-25.

Kouřimský J., Kutil J., 1959: A contribution to the luminiscence of diamonds. 44 pp.  Acta Musei Nationalis Pragae 15B(5): 185-228.

Klášterský I., 1961: Florogenetische Elemente der Tschechoslowakei. 29 pp. [88031]  Acta Musei Nationalis Pragae 16B(3-4): 129-157.

Kouřimský J., (ed.), 1973: Session about precious stones in the National museum – Prague 1971. 102 pp.  Acta Musei Nationalis Pragae 29B(1-2): 1-102.

Knobloch E., 1968: Bemerkungen zur Nomenklatur Tertirer Pflanzenreste. 32 pp. [88032]  Acta Musei Nationalis Pragae 24B(3): 121-152.

Kouřimský J., 1971: Ůber Fibroferrit von Zličín bei Prag. 8 pp.  Acta Musei Nationalis Pragae 27B(1): 1-8.

Kratochvíl F., 1974: Deposits of pyrite in the Proterozoic of Southwest Bohemia. 49 pp.  Acta Musei Nationalis Pragae 30B(4-5): 113-161.

Kouřimský J., 1977: Thaumasit von Mýto bei Tachov. 12 pp.  Acta Musei Nationalis Pragae 33B(1-2): 41-52.

Kodymová A., 1978: Accesory heavy minerals of the Moravicum of the Dyle Dome and the Dyje Massif. 16 pp.  Acta Musei Nationalis Pragae 34B(2-4): 91-106.

Kuthan J., Kotlaba F., 1981: Makromyzeten des Nationaparkes Ropotoma in Bulgarien. 60 pp. [88038]  Acta Musei Nationalis Pragae 37B(2): 77-136.

Knobloch E., 1981: Neue Paläbotanische Untersuchungen im Pannon und Pont des Mäahrischen Teils des Wiener Beckens. 23 pp. [88033]  Acta Musei Nationalis Pragae 37B(3-4): 205-227.

Kůrka A., 1982: Spinnen (Araneida) auf dem Stožec im Böhmerwald). 32 pp.  Acta Musei Nationalis Pragae 38B(1-2): 47-78.

Kuthan J., Kotlaba F., 1989: Makromyzeten der bulgarischen Scharzmeerküste und einiger Orte im Landesinnern Bulgariens. 107 pp. [88039]  Acta Musei Nationalis Pragae 44B(1988)(3-4): 137-243.

Krist J., 1990: Transparent loess heavy minerals of Napajedla surroundings. 52 pp.  Acta Musei Nationalis Pragae 45B(1989)(4): 181-232.

Korbel P., 1993: Supergene mineralis from Horní Slavkov. 24 pp.  Acta Musei Nationalis Pragae 47B(1991)(1-4): 1-24.

Kvaček Z., Walther H., 1995: The Oligocene volcanic flora of Suletice-Berand near Ústí nad Labem, North Bohemia – a review. 30 pp. [88041]  Acta Musei Nationalis Pragae 50B(1994)(1-4): 25-54.

Kácha P., Petr V., 1996: Camouflage and mimicry in fossils, I: General part. 20 pp.  Acta Musei Nationalis Pragae 51B(1995)(1-4): 53-82.

Kvaček Z., Walther H., 1998: The Oligocene volcanic flora of Kundratice near Litoměřice, České středohoří volcanic complex (Czech Republic) – a review. 43 pp. [88042]  Acta Musei Nationalis Pragae 54B: 1-43

Kolebaba I., 1999: Sipho-cameral structures in some Silurian cephalopods from the Barrandian area (Bohemia). 14 pp.  Acta Musei Nationalis Pragae 55B(1-2): 1-14.

Kvaček J., 1999: New data and revision of three gymnosperms from the Cenomanian of Bohemia – Sagenopteris variabilis (Velenovský) Velenovský, Mesenea bohemica (Corda) comb. n. and Eretmophyllum obtusum (Velenovský) comb. n. 10 plates. 10 pp. [BOT85]  Acta Musei Nationalis Pragae 55B(1-2): 15-24.

Knobloch E., 1999: Neue oder wenig bekannte Pflanzenarten aus den Perucer Schichten (Cenoman) der Böhmischen Masse. 36 pp. [88034]  Acta Musei Nationalis Pragae 55B(1-2): 25-60.

Kvaček Z., Hurník S., 2000: Revision of Early Miocene plants preserved in baked rocks in the North Bohemian Tertiary. 48 pp. [88040]  Acta Musei Nationalis Pragae 56B(1-2): 1-48.