WWW BNF, 20-05-2011---(Erich, Adolar 1559-1634)

Tooley's Dictionary of Mapmakers, 1999-2004---t. 2, p. 28 (Erich [ius], Adolar [ius] (1559/1561-1634). Priest, chronicler and cartographer. Thuringia labdgravitus (24 sheets), Erfurt, P. Wittel 1625 (the legend contained useful historical information on the area) the map was later used by Willem Blaeu 1634)