Zoek in Rijksstudio
Fossiele afdruk in gesteente
George M. Silsbee, 1854, foto, RP-F-2001-7-970-1
Remarks on some fossil impressions…
John C. Warren, 1854, boek, RP-F-2001-7-970
Ichnographs from the sandstone of…
James Deane, 1861, boek, RP-F-2001-7-1071