Simplify the following text for a Grade 14 native English-speaking person.
Original: Although the account may appear somewhat exaggerated , its veracity can be found in several other Ustase accounts : a circular of the Ustase general headquarters that reads : `` the concentration and labor camp in Jasenovac can receive an unlimited number of internees '' ) .
Simplified: Other Ustase sources give more canon estimations : a circular of the Ustase general headquarters that reads : `` the concentration and labor camp in Jasenovac can receive an unlimited number of internees '' .