Nygaard, Anita. <br/><br/>
Earthclock :  a narrative calendar of nature's seasons / 
Anita Nygaard ; with ill. by Paul Bauman. 
 - Harrisburg, Pa. :  Stackpole Books,  c1976. 
 - 224 p. :  ill. ; 
<br/><br/><label>ISBN: </label>0811705471 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature.<br/>Outdoor recreation.
<br/><br/><label>LC Class. No.: </label>QH81  / .N9 1976