An Official Marta Kristen Fan Site Includes news, biography, collectibles, filmography, articles, image galleries, and a Lost in Space episode guide. http://www.martakristen.com/

IMDb: Marta Kristen Filmography, mini-biography, and photos. http://us.imdb.com/name/nm0471549/

Peter Krause: Helping To Make T.V. Safe For Smart People Interview with the actor for Pop Entertainment.com. http://www.popentertainment.com/krause.htm