- Morse, H. 1953a. Infested Engelmann spruce trees cut, milled to save destruction . Mississippi Valley Lumberman 84:13.
- Morse, H. 1953b. Operators table regular plans to harvest spruce . Crow's Pacific Coast Lumber Digest 31:16-17.
- Morse, H. 1953c. Spruce loggers battle beetles . Western Conservation Journal 1010-11, 35-36.
- Morse, H. 1953d. Spruce loggers racing time . Crow's Pacific Coast Lumber Digest 31:14.
- Morse, H. 1953e. Spruce loggers wage all-out war on beetle . Lumber Merchant 21:34.
- Morse, H. 1953f. Wage all out war on beetle . Lumber Merchant 2117, 59.