Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Prince, April Jones and Squier, Robert",Who was Frederick Douglass?,,"Penguin Workshop, an imprint of Penguin Random House",2014,Who HQ : your headquaters for history : who? what? where?,,9780448479118,,https://cir.nii.ac.jp/crid/1130003902302220288