Popov, Nikola. <br/><br/>
Paleografski osobenosti na chislitelnite imena v pismoto siiakat / 
Nikola Popov. 
 - Sofiia :  Izd. na Bulgarskata akademiia na naukite,  1955. 
 - 69 p. :  ill. ;  24 cm. 
<br/><br/> Cover title. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manuscripts, Arabic.<br/>Paleography, Arabic.
<br/><br/><label>LC Class. No.: </label>PL137  / P67 1955