Calendar of Philippine documents in the Ayer Collection of the Newberry Library / 
edited by Paul S. Lietz 
 - Chicago, Illionis :  Newberry Library,  1956 
 - 259 p. ;  25 cm. 
<br/><br/> Includes indexes  'Compiled as a contribution to the Phillipine Studies Program' 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Phillipine Islands--Bibliography<br/>Philippine Islands--History--Sources