Ordo Lectionum Missae 

 - Editio typica. 
 -  Typis Polyglotis Vaticanis:  1969. 
 - xxv, 434 p. ;  30 cm. 
<br/><br/> "Prima editio 5-25-1969. Prima reimpressio 12-9-1969."  Imprint reads: Typis polyglottis Vaticanis.  "Emendationes in Ordine lectionum Missae": leaf laid in.  Includes indexes. 
<br/><br/><label>LC Class. No.: </label>BX 2003  / .A36 1969