Souvenir sheet of the Soviet Union, Day of Cosmonautics, Yuri Gagarin, 1981
<a href="https://en.wikipedia.org/wiki/ru:%D0%94%D0%B6%D0%B0%D0%BD%D0%B8%D0%B1%D0%B5%D0%BA%D0%BE%D0%B2_%D0%92%D0%BB%D0%B0%D0%B4%D0%B8%D0%BC%D0%B8%D1%80_%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B2%D0%B8%D1%87" class="extiw" title="w:ru:Джанибеков Владимир Александрович">В.А. Джанибеков</a>, Г. Комлев
1981
Электронный каталог „Марки страны Советов