The "Treasury Of The Sacred Heart Vintage/Antique Catholic Supply House" is a book written by a Catholic author and published by Catholic Supply. The book's title, "Treasury", suggests that it contains a collection of valuable Catholic teachings, prayers, or devotions. The focus on a "vintage/ antique" Catholic supply house adds a sense of historical significance and tradition to the content. This book would likely be a valuable resource for those seeking spiritual guidance or a deeper understanding of Catholic practices from a bygone era.