by Charles Arthur Hollick
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Studies of Cretaceous coniferous remains...
Fossil plants from Louisiana
Discovery of a mastodonÅ› tooth and the r...
The relation between forestry and geolog...
Observations on the geology and botany o...
Plant distribution as a factor in the in...
Crictor
Palaeobotany, Palaeoecology and Evolutio...
Textbook of pollen analysis
Dynamics of forest Ecosystems in Central...
Plant life through the ages
Analyses of Pre-Pleistocene organic-wall...