Hollers Kinderfahrzeuge
Sammlung Historischer Kinderfahrzeuge
Kataloge
GIORDANI - Giocattoli Sportivi GIORDANIGiordani, Casalecchio di Reno 1964
Tri-ang Toys, Katalog 1961Marque Deposee, Tri-ang Toys 1961
Tri-ang Toys, Katalog 1970Tri-ang Toys 1970
Tri-ang Toys, Katalog 1966Tri-ang Toys 1966
Tri-ang Toys, Katalog 1963Tri-ang Toys 1963
Tri-ang Toys, Katalog 1962Tri-ang Toys 1962
Auktionskatalog - 47. AuktionHermann Historika 12. Oktober 2004
Auktionskatalog - 48. AuktionHermann Historika 20. April 2005
The Donald Kaufmann Collektion - Volume IIIBertoia, Jeanne, Bertoia Auction 2010
Tri-ang Toys, Katalog 1937/38 - 1937/38 New Cavendish Books 1988
SOTHEBY’S - The Shaun Magee Collection of Pedal Cars and ToysSotheby's London 1988
STEIFF – Sortiment - 1892-1943 Günther Pfeiffer, Verlag Günther Pfeiffer GmbH 2002
STEIFF – Sortiment - 1947-2003 Günther Pfeiffer, Verlag Günther Pfeiffer GmbH 2003
Miller’s Collectors Cars Price GuideMiller, Millers Publications Ltd./Kent 1991