101st ABN. Project Pike http://www.militaryunits.com/101ABN_project.htm

101st Airborne Div. Operations in the A Shau Valley 1 May - 31 July 1969 http://www.ehistory.com/vietnam/pdf/101lessons.pdf

Dong Ap Bai....Hamburger Hill http://www.ehistory.com/vietnam/essays/battlecommand/index.cfm

Operation Apache Snow After-Action Report http://www.ehistory.com/vietnam/pdf/101airborne.pdf 

Secret-Dong Ap Bai http://archive.vietnam.ttu.edu/star/images/039/0390126001B.pdf

The Fall of the A Shau Special Forces Camp (March 1966) http://www.wpafb.af.mil/museum/history/vietnam/ashau.htmU.S.National

Archives and Records Administration http://www.archives.gov/index.html

Battle of Dong Ap Bia (Hamburger Hill), Summary Report, 101st Airborne Division, May 1969 http://www.carlisle.army.mil/cgi-bin/usamhi/DL/showdoc.pl?docnum=493

The Real Hamburger Hill http://www.centurytel.net/amlegionlacrosse/hambhill.htm/STRONG/U

Facts and Myths about the Vietnam War http://77fa.org/facts.html

The American War Library  http://members.aol.com/veterans/

Military History Forum http://pub11.ezboard.com/bskalmanmessageforum

Army Unit History Records http://www.dragineez.com/mhi/default.htm

Access History; Paperless Archive http://www.paperlessarchives.com/index.html

U.S. Army, GNOME http://evolution.gnome.com/gnome_results/q1=us_army&q2=&q3=&q4=&q5=&u1=g1&u2=e2&u3=y3&u4=a4&u5=l5&f=search4it&r=b&e=10&d=d&t=5&p=24&s=3&g=1&q6=&q7=&q8=&q9=&q10=&u6=w6&u7=d7&u8=s8&u9=h9&u10=m10&o=jhfoabyuG

Mounted Combat in Vietnam http://www.army.mil/cmh-pg/books/Vietnam/mounted/index.htm#contents <HTTP: www.army.mil cmh-pg books Vietnam mounted index.htm>

U.S. Ambush Operations  http://www.soft.net.uk/entrinet/ambush1.htm

Ground Combat Operations, Vietnam ‘65 to ‘72 http://www.angelfire.com/al2/vietnamops/

USAF Vietnam War History http://www.wpafb.af.mil/museum/history/vietnam/vietnam.htm

Vietnam Studies, U.S. Army Special Forces http://www.army.mil/cmh-pg/BOOKS/Vietnam/90-23/90-23C.htm