A.L. BLOCK: TO THE HISTORY OF THE LOST MANUSCRIPT
Clause represents attempt of reconstruction of the lost manuscript of the thesis for a doctor's degree of Alexander Lvovich Blok (1852-1909) - the talented scientist, the expert in sphere of the state law, the professor and the dean of a faculty of law of Imperial Warsaw university. Clause is written on the basis of the analysis of memoirs of contemporaries of A.L.Block (pupils and colleagues), an epistolary heritage and archival materials, many of which for the first time are entered into a scientific turn.