Biology and control of the pine needle-sheath miner, Zelleria haimbachi Busck (lepidoptera; hyponomeutidae) /

"April 1959."

Biology, ecology, and control of the lodgepole needle miner /

Includes bibliographical references (p. 36-38).

Austrian pine (Pinus nigra) and certain other species of pine disorder : Dothistroma needle blight /

"April 1974"