Porter, J. G . <br/><br/>
Yearbook Of Astronomy 1964 /  Textual Documents 
J. G. Porter. 
 - 1st / 
 - London :  Eyre & Spottiswoode ,  1963. 
 - viii,215p. ;  22 cm.. 
<br/><br/><label>Subjects--Index Terms: </label>T/G-Astronomy 
<br/><br/><label>Dewey Class. No.: </label>520  / P 834 Y