Dybdahl, J.A.
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1870
Dybdahl, J.A.: "Darwinismen", Tidsskrift for Havevæsen, 5th ed., no. 17 and 18, December, pp. 264-268, 282-288
1871
Dybdahl, J.A.: "Darwinismen", Tidsskrift for Havevæsen, 5th ed., no. 19, 21, 22 and 24, January-March, pp. 282-288, 300-303, 328-334, 347-351, 373-378
