%0 Generic %A Grapel, William, %C Philadelphia : %D 1857. %I T. & J.W. Johnson, %J The law library ; %T Sources of the Roman civil law an introduction to the Institutes of Justinian / %U https://ezaccess.libraries.psu.edu/login?url=https://www.heinonline.org/HOL/Index?index=beal/sour&collection=beal