Ricciotti, Guiseppe 1890-.
The age of martyrs: сhristianity from Diocletian to Constantine /
Guiseppe Ricciotti ; translated by Anthony Bull 
. - Milwaukee : Bruce Publ.Co.,  1959 
. - viii, 305  p.  ill., map.  23 cm. 
<br/>К.: Бібліогр. в підрядк. прим., Index 
<br/><br/><label>Subjects--Personal Names: </label><br/>Diocletian 245-311 <br/>Constantine the Great  saint  272-337