Rescher, Nicholas <br/><br/>
Studies in modality / 
by Nicholas Rescher ; with the collaboration of Ruth Manor 
 - Oxford :  Basil Blackwell,  1974 
 - xi, 156 p. ;  22 cm. 
 - American philosophical quarterly monograph series ;  no. 8 .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>063111520X (pbk) :  PND 4.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modality (Logic)
<br/><br/><label>Dewey Class. No.: </label>160