TransliterationPokrovskiy S.V. Kalendar prirody Konvolyut 3-kh broshyur: II. Vesna. III. Leto. I. Zima. Iz biblioteki izvestnogo ornitologa A.N. Promptova.
In EnglishPokrovsky S.V. Calendar of Nature Convolutee 3 brochures: II. Spring. III. Summer. I. Winter. From the library of the famous ornithologist A.N. Promptov. In Russian (ask us if in doubt)
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