year: 1929
lang: russian
size: 5,1 MB (24 pages)
link: https://drive.google.com/file/d/1GQjhh-pokTBq1J8grSHmRK8UlD-i4LCd/view?usp=drive_link
year: 1929
lang: russian
size: 5,1 MB (24 pages)
link: https://drive.google.com/file/d/1GQjhh-pokTBq1J8grSHmRK8UlD-i4LCd/view?usp=drive_link
year: 2000
lang: english, german
size: 11,4 MB (11 pages)
link: https://drive.google.com/file/d/1E4zU3wuZYEQNB0BLgdcvHs3GUW_8Yq2F/view?usp=drive_link
year: 1927
lang: russian
size: 7,1 MB (36 pages)
link: https://drive.google.com/file/d/1FkLjzXZW-VNod_2WwvaqnkJRrr0A8hQn/view?usp=drive_link