S. Arthur Johnson

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1) The cottony maple scale

Author

Johnson, S. Arthur

Series

Bulletin volume 116

Pub. Date

1906.

2) The cottony maple scale (Pulvinaria innumerabilis)

Author

Johnson, S. Arthur

Series

Press bulletin volume no. 27

Pub. Date

1906.

3) Plant lice and their remedies

Author

Johnson, S. Arthur

Series

Press bulletin volume no. 20

Pub. Date

1903.

4) Fall handling of potatoes to lessen injuries from insects and fungi

Series

Press bulletin volume no. 23

Pub. Date

1904.

5) The potato industry of Colorado

Author

Series

Bulletin volume 175

Pub. Date

1910.