From the National Library of Ukraine for Children collection of rare editions
Artist Lev IUdin

Vvedenskij, A. Kto? / Risunki L.IUdina. - Moskva: Gosudarstvennoe izdatel'stvo, 1930. - 12 p.: ill.

Kto ?. Cover

Kto ?. Page one

Kto ?. Page two

Kto ?. Page three

Kto ?. Page four

Kto ?. Page five

Kto ?. Page six

Kto ?. Page seven

Kto ?. Page eight

Kto ?. Page nine

Kto ?. Page ten

Kto ?. Last cover page