APPENDIX IV. BIOGRAPHICAL INFORMATION AND ACKNOWLEDGMENTS 475 Members of Commission 475 General Counsel 476 Assistant Counsel 476 Staff Members 477 Acknowledgments 481 APPENDIX V. LIST OF WITNESSES 483 APPENDIX VI. COMMISSION PROCEDURES FOR THE TAKING OF TESTIMONY 501 Resolution Governing Questioning of Witnesses by Members of the Commission Staff 501 APPENDIX VII. A BRIEF HISTORY OF PRESIDENTIAL PROTECTION 504 Before the Civil War 504 Lincoln 505 The Need for Protection Further Demonstrated 507 Development of Presidential Protection 510 APPENDIX VIII. MEDICAL REPORTS FROM DOCTORS AT PARKLAND MEMORIAL HOSPITAL, DALLAS, TEX. 516 APPENDIX IX. AUTOPSY REPORT AND SUPPLEMENTAL REPORT 538 APPENDIX X. EXPERT TESTIMONY 547 Firearms and Firearms Identification 547 General Principles 547 The Rifle 553 Rifle Cartridge and Cartridge Cases 555 The Rifle Bullets 557 The Revolver 558 Revolver Cartridges and Cartridge Cases 559 Revolver Bullets 559 The Struggle for the Revolver 560 The Paraffin Test 560 The Walker Bullet 562 Fingerprints and Palmprints 563 General Principles 563 Objects in the Texas School Book Depository Building 556 Questioned Documents 566 The Mail Order for the C2766 Rifle, the Related Envelope, and the Money Order 569 Mail Order for the V510210 Revolver 570 Post Office Box Applications and Change-of-Address Card 570 The Spurious Selective Service System Notice of Classification and U.S. Marine Corps Certificate of Service 571