1) Insect and mite galls

Author
Cranshaw, Whitney
Series
Insect series. Trees and shrubs volume no. 5.557
Publisher
Colorado State University Cooperative Extension
Pub. Date
Not Supplied
Language
English

2) Cooley spruce galls

Author
Cranshaw, Whitney
Series
Insect series. Trees and shrubs volume no. 5.534
Publisher
Not Supplied
Pub. Date
Not Supplied
Language
English

3) Cooley spruce galls: characteristics and control

Author
Cranshaw, Whitney
Series
Service in action volume no. 5.534
Publisher
Colorado State University Cooperative Extension
Pub. Date
1989.
Language
English