Ls̀ka Vc̀lav Jan, . 1862.
Vaclav Jan Laska papers.
Ls̀ka (1862-1943). Geophysics, astronomy, mathematics. Professor at Technical University in Lvov and at Charles University in Prague; director of the State Geophysical Institute in Prague; member of the Royal Bohemian Learned Society of the Czech Academy of Sciences and Arts.
Geophysicists -- Czechoslovakia.
AIP-ICOS
Archiv Akademie v d esk ̌Republiky. Central Archiv. V Zm̀cc̕h 56/76, 181 00 Praha 8 - Bohnice.