TY - BOOK ID - 137040613 TI - Legislation and requirements for permissible cohabitation in invalid marriages : a historical synopsis and a commentary. PY - 1954 PB - Washington Catholic university of America press DB - UniCat KW - Marriage (Canon law) KW - Separation (Canon law) UR - https://www.unicat.be/uniCat?func=search&query=sysid:137040613 AB - It is the purpose of the present work to give a brief historical synopsis and a canonical commentary on the legislation and requirements for permissible cohabitaiton in invalid marriages, otherwise known as the "brother-sister arrangement" or "fraternal cohabitation". ER -