on A.P.Ershov's jubilee.

from Leningrad programmers containing plenty of witty hints on Ershov's works. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from Novosibirsk colleagues, "coffee-clubbers". (With a hand-written Ershov's explanatory remark addressed to his mother. The list of authors does not contain persons not identified by their signatures.)

from Moldavian programmers. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the researchers of the Software Laboratory of the Institute of Mathematics of the Siberian Branch of the USSR Ac. Sci. (With a hand-written Ershov's explanatory remark addressed to his mother.)

of the Head of the Novosibirsk State University on awarding a Diploma to A.P. Ershov on his 50th birthday. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from administration of the Novosibirsk State University.

from Marchuk with congratulations on the anniversary.

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

from A.Ibragimov. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the library of the Computing Center. (With a hand-written Ershov's explanatory remark addressed to his mother.)

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

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

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

from a section of the Institute of Cybernitics (Kiev). (With a hand-written Ershov's explanatory remark addressed to his mother.)

for the birthday dinner party. (With a hand-written Ershov's explanatory remark addressed to his mother.)

from the Odessa Institute of Economics. (With a hand-written Ershov's explanatory remark addressed to his mother.)

by Era Vnukova. (With a hand-written Ershov's explanatory remark addressed to his mother.)

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

with congratulations from the "Kvant" Editorial Board.. (With a hand-written Ershov's explanatory remark addressed to his mother.)