Mõnda postiside ja filateelia ajaloost
author
statement of authorship
[P. Lettens]
source
location of publication
Tallinn
publisher
year of publication
pages
lk. 127-136
subject term
TTÜ department
language
eesti
Lettens, P. Mõnda postiside ja filateelia ajaloost // Kalender 1972. Tallinn : Eesti Raamat, 1971. lk. 127-136. https://www.ester.ee/record=b1316711*est