A national Jewish advocacy organization is calling for the removal of a monument to Nazi collaborators in Montgomery County, just outside of Philadelphia, that until recently went largely unnoticed for decades. The large stone cross, which was the subject of an Inquirer article published Sunday, was erected about 30 years ago at St. Mary’s Ukrainian Catholic Cemetery in Elkins Park in honor of the 14th Waffen Grenadier Division of the Schutzstaffel — the Nazi military branch often referred to simply as “the SS.” The unit, known also as the “1st Galician” or “SS Galizien,” was formed in 1943. It was...