Bøger af L. J. F. Janssen

In 1856 L.J.F. Janssen, curator of the Dutch Museum of Antiquities, published his book Hilversumsche Oudheden. Eene bijdrage tot de ontwikkelingsgeschiedenis der vroegste Europesche volken (Translation: Antiquities from Hilversum. A contribution to the history of development of the earliest European peoples ).