Below are the main guests from the previous 10 Conestogas.

Conestoga 10 - July 28-30, 2006

Guest of Honor: David Drake
Artist Guest of Honor: Don Maitz
Toastmaster: Robin Wayne Bailye
Fan Guests of Honor: Seleena Rosen & Lynn Stranathan
Charity: Royal Gauntlet Educational Birds of Prey and Rehabilitiation Center

Conestoga 9 - July 15-17, 2005

Guest of Honor: George R. R. Martin
Artist Guest of Honor: Brad Foster
Toastmaster: Bradley Denton
Fan Guests of Honor: Margene Bahm, Paula Helm Murray, & Jim Murray
Charity: Big Brothers and Big Sisters of Green Country

Conestoga 8 - July 16-18, 2004

Guest of Honor: Eric Flint
Artist Guest of Honor: Darrell K. Sweet
Toastmaster: Walter Jon Williams
Fan Guests of Honor: Curtis & Marilyn Berry
Charity: Animal Rescue Foundation

Conestoga 7 - July 18 - 20, 2003

Guest of Honor: David Brin
Artist Guest of Honor: Keith Birdsong
Toastmistress: Esther Friesner
Fan Guest of Honor: David Lee Anderson
Charity: TSHA, Inc.

Conestoga 6 - July 19-21, 2002

Guest of Honor: Elizabeth Moon
Artist Guest of Honor: Nene Thomas
Toastmistress: Lee Martindale
Fan Guests of Honor: Lori Wolf and A.T. Campbell III
Special Guest: Joe R. Lansdale
Charity: DVIS

Conestoga 2001 - July 27-29, 2001

Guest of Honor: Joe Haldeman
Artist Guest of Honor: Kelley Vandevir
Toastmaster: Tim Powers
Fan Guests of Honor: Mike & Karla Weaver
Charity: Tulsa Air and Space Center

Conestoga 2000 - July 14-16, 2000

Guest of Honor: David Weber
Artist Guest of Honor: Lubov
Mystery Guest of Honor: Nancy Pickard
Toastmaster: Roger Tener
Fan Guests of Honor: Tim & Kimber Chessmore
Charity: Operation School Bell

Conestoga ‘99 - June 25-27, 1999

Guest of Honor: Harry Turtledove
Artist Guest of Honor: David Lee Anderson
Toastmaster: Gardner Dozois
Mystery Guest of Honor: Barbara Hambly
Fan Guest of Honor: Keith Stokes
Special Guest: George Alec Effinger
Charity: Our House

Conestoga ‘98 - June 26-28, 1998

Guest of Honor: Connie Willis
Artist Guest of Honor: David Cherry
Toastmaster: Mark Simmons
Fan Guests of Honor: Jim & Susan Satterfield
Special Guest: Carole Nelson Douglas
Charity: The Tulsa Zoo

Conestoga ‘97 - March 21-23, 1997

Guests of Honor: Barbara Hambly & George Alec Effinger
Artist Guest of Honor: Joy Marie Ledet
Toastmaster: Robin Bailey
Fan Guest of Honor: Gerald Burton
Filk Guest of Honor: Tom Smith
Charity: The American Cancer Society

Additional details available here http://www.burningclam.com/conestoga.html