Hi,
Here are two e-versions of Marci's works:
AUTHOR Marci von Kronland, Johannes Marcus
TITLE De proportione motus figurarum rectilinearum et circuli quadratura ex motu
URL http://archimedes.mpiwg-berlin.mpg.de/cgi-bin/toc/toc.cgi?dir=marci_figur_063_la_1648;step=thumb
SITE Archimedes Project
SUBJECT Mathematics, mechanics
NOTES Dpr of the 1648 Prague edition with linked html text
AUTHOR Marci von Kronland, Johannes Marcus
TITLE De proportione motus su regula sphygmica ad celeritatem et tarditatum pulsuum
URL http://archimedes.mpiwg-berlin.mpg.de/cgi-bin/toc/toc.cgi?dir=marci_regul_062_la_1639;step=thumb
SITE Archimedes Project
SUBJECT Physiology
NOTES Dpr of the 1639 Prague edition with linked html text
Jean