Various. Birds and All Nature, Vol. 6, No. 2, September 1899 Illustrated by Color Photography.
Chicago-čujuhus (17. p.)Various. Birds and All Nature, Vol. 6, No. 2, September 1899 Illustrated by Color Photography.
MLA-čujuhus (9. p.)Various. Birds and All Nature, Vol. 6, No. 2, September 1899 Illustrated by Color Photography.
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