$a Astronom holenderski. Pierwszy bibliotekarz Biblioteki Uniwersytetu w Groningen (1619-1621).
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$a Iudæorum Annvs Lvnæ Solaris Et Tvrc-Arabvm Annvs meré Lvnaris Recens uterque è suis fontibus deductus, & cum anno Romano facili methodo connexus Studio & operâ Nicolai Mvleri [...]. - Groningæ, 1630.
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$a BSZ online.
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$a GBV online.
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$a The astronomical instruments (1618) and Catalogus librorum (1646) of Nicolaus Mulerius, with an essay on his place in the history of science / Henk Kubbinga. - Groningen, 2014.
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$a nl.wikipedia, 19.04.2016 $b (Biblioteka Uniwersytetu w Groningen) $u https://nl.wikipedia.org/wiki/Universiteitsbibliotheek_Groningen