on awarding A.P. Ershov with a Diploma of the Presidium of the Siberian Branch of the USSR Academy of Sciences. (With a hand-written Ershov's explanatory remark addressed to his mother.)

of the Presidium of the Siberian Branch of the USSR Academy of Sciences.

of the Dean of the Mechanical and Mathematical Faculty of the Novosibirsk University expressing appreciation to A.P.Ershov for his longstanding fruitful contribution to scientific specialists training and in connection with his 50th anniversary.

with congratulations from S.A.Rukova. (With a hand-written Ershov's explanatory remark addressed to his mother.)

with congratulations from S.Kutateladze. (With a hand-written Ershov's explanatory remark addressed to his mother.)

A.P. Ershov accepts congratulations. (With hand-written Ershov's explanatory remarks addressed to his mother.)

Andrei and Nina Ershovs at home.

A.P. Ershov - Corresponding Member of the USSR Academy of Sciences, Professor of the Novosibirsk University, Department Head of the Computing Center of the Sib. Branch of the USSR Academy of Sciences.

to Ershov's "report" on his 50th birthday celebration written for his mother. A.P.Ershov made for her hand-written remarks on almost all greetings and other received papers.

with congratulations from the Coordinating Committee on Computer Technology. (With hand-written Ershov's explanatory remarks addressed to his mother.)

with congratulations from V.Yu.Rosenzweig. (With a hand-written Ershov's explanatory remark addressed to his mother.)

with congratulations from Vsevolod Shtarkman. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the Novosibirsk Municipal Department of School Education. (With a hand-written Ershov's explanatory remark addressed to his mother.)

with congratulations (the end of the telegram is missing).