(en) Tom Ragan, « Builder prefers being king of what he sees/Castle is maverick's 33- year labor of love », The Gazette (Colorado Springs), (lire en ligne, consulté le )
(en) Mary Jean Porter, « Adobe to Steel': Byway exhibit focuses on history's foundation: buildings. », The Pueblo Chieftain, (lire en ligne, consulté le )
news.google.com
(en) « Ripleys Believe it or not », Reading Eagle, (lire en ligne, consulté le )
newsbank.com
nl.newsbank.com
(en) « From a life's labor, a castle rises, Jim Bishop started his 160-foot-high creation in 1969. He doesn't plan to ever stop building. », Philadelphia Inquirer, (lire en ligne, consulté le )
post-gazette.com
(en) Rob Owen, « The craziest castle in Colorado: Bishop's vision is a work in progress », Pittsburgh Post-Gazette, (lire en ligne, consulté le )
pqarchiver.com
pqasb.pqarchiver.com
(en) Denis M Searles, « Castle Craftsman Withstands Long State Siege; Colorado: Jim Bishop draws 60,000 visitors a year to his creation in the mountains while fending off assaults by highway and tax officials », LA Times, (lire en ligne, consulté le )
weeklyworldnews.com
(en) Dallas Commagreens, « Jim Bishops Castle », Weekly World News, (lire en ligne, consulté le )