Antike Uhren, c1996: t.p. (Uhrenmuseum Beyer Z$04urich) p. 11, etc. (Mus$00ee d$76horlogerie Beyer Zurich, Bahnhofstrasse 31, Zurich; Clock and Watch Museum Beyer Zurich)
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GRIL NACO contribution (n.d.)
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Library of Congress Authorities online (2002-) http://id.loc.gov/authorities/names/n98041713 | |