Books by G. R. Wieland
Osteology of Protostega; Vol.
Osteology of Protostega; Vol. 2 No. 7
American fossil cycads
A new cycad from the Mariposa
A new cycad from the Mariposa slates
Twenty-five years of paleobota
Twenty-five years of paleobotany, 1910-1935
The Cerro Cuadrado petrified f
The Cerro Cuadrado petrified forest
A silicified shelf fungus from
A silicified shelf fungus from the Lower Cretaceous of Montana
Fossil cycads
Wood opalization
Wood opalization
Why the angiosperms are old
Why the angiosperms are old
A sacrifice to Pele
A sacrifice to Pele
Conifer inflorescence
Conifer inflorescence
Discussion on the earliest kno
Discussion on the earliest known terrestrial vegetation
Discussion on the relation of
Discussion on the relation of the late Paleozoic floras to the Early Mesozoic floras
The El Consuelo cycadeoids
The El Consuelo cycadeoids
[Annual report on paleontology
[Annual report on paleontology]
Dinosaur extinctio
Dinosaur extinctio
Triaso-Jurassic plant evolutio
Triaso-Jurassic plant evolution and climate
Recent achievements in paleobo
Recent achievements in paleobotany
Paleobotany as viewed by two g
Paleobotany as viewed by two geologists
Distribution and relationships
Distribution and relationships of the Cycadeoids
Recedent lake shores of the Cr
Recedent lake shores of the Cretaceous
Classification of the Cycadoph
Classification of the Cycadophyta
The needs of paleobotany
The needs of paleobotany
Further notes on Ozarkian seaw
Further notes on Ozarkian seaweeds and oölites
La flora liásica de la mixteca
La flora liásica de la mixteca alta
Was the pterophyllum foliage t
Was the pterophyllum foliage transformed into the leafy blades of dicotyls?
The Liassic flora of the Mixte
The Liassic flora of the Mixteca Alta of Mexico
A study of some American fossi
A study of some American fossil Cycads
On the Williamsonian tribe
On the Williamsonian tribe
The Williamsonias of the Mixte
The Williamsonias of the Mixteca Alta
Historic fossil cycads ; Accelerated cone growth in Pinus
The conservation of the great marine vertebrates
Gastroliths
Dinosaurian gastroliths
A new Niobrara toxochelys
Structure of the Upper Cretaceous turtles of New Jersey
The proembryo of the Bennettiteae
Polar climate in time the majo
Polar climate in time the major factor in the evolution of plants and animals
Notes on living cycads
Notes on living cycads