http://archimedes.mpiwg-berlin.mpg.de/cgi-bin/toc/toc.cgi?step=thumb&dir=agric_remet_001_la_1556

http://www.rapidkniga.info/2006/02/19/agrikola_g__o_gornom_dele_i_metallurgii_v_dvenadcati_knigakh.html


http://www.farlang.com/gemstones/agricola-metallica/page_001