Conifers  spruce, hemlock, larch, cedar, fir /  [slide] : 
prepared by Charles R. Belinky 
 - New York :  Educational Images,  1975 
 - 20 slides :  col. ;  5 X 5 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conifers<br/>Conifers--United States