Practitioners are also referred to the following supplemental sources, which are available at Jenkins Memorial Law Library, Suite 1220, 841 Chestnut Street, Philadelphia:
1. "The Red Book" - formally entitled "PRACTICE AND PROCEDURE IN THE OFFICE OF THE REGISTER OF WILLS AND ORPHANS' COURT DIVISION IN PHILADELPHIA, 1981 Revision of the original work of John Blessing, Esquire."2. "The Green Book" - formally entitled "FORMS FOR USE BEFORE THE REGISTER OF WILLS AND ORPHANS' COURT DIVISION IN PHILADELPHIA, 2002 Revision of the original work of the late David G. Hunter, Judge of the Orphans' Court of Philadelphia County."3. Aker - PENNSYLVANIA PROBATE, ESTATES AND FIDUCIARIES CODE ANNOTATED4. Hunter - PENNSYLVANIA Orphans' COURT COMMONPLACE BOOK (2nd Ed.), Volumes 1-6A5. Remick - PENNSYLVANIA ORPHANS' COURT PRACTICE, Volumes 1-66. Smith, Grossman and Hollinger - PENNSYLVANIA FIDUCIARY GUIDE (4th Rev.Ed.).