Smith, Helen Henry. Vikingsholm : : Tahoe's hidden castle / [electronic resource] / by Helen Henry Smith.. — [Palo Alto] : : H.H. Smith,, c1973. — 36 p. : : ill. (some col.), plans ; 18 cm.
Palme, Lennart.
Knight, Lora Josephine, 1864-1945.
Vikingsholm (El Dorado County, Calif. : Building)
Architecture, Domestic--California--El Dorado County.