of works accepted to be published. (A manuscript.)

of popular works and speeches. (3 titles.)

of printed works. (50 titles.)

of manuscript works. (22 titles.)

of manuscript works. (25 titles.)

od popular works, presentations and forewords. (5 items.)

of selected works. (43 titles.)

of printed works. (100 titles.)

of principal works (132 titles).

of 78 works of educational, methodological and history-of-science nature.

of works. (224 titles.)