Autore:James Gregory (astronomo)
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James Gregory (Drumoak, 163812345678910111213141516171819 – Edimburgo, 167512345678910111213141516171819), matematico e astronomo scozzese.
- ↑ 1,0 1,1 A Short History of Astronomy
- ↑ 2,0 2,1 Gemeinsame Normdatei
- ↑ 3,0 3,1 data.bnf.fr
- ↑ 4,0 4,1 British Museum person-institution thesaurus
- ↑ 5,0 5,1 Biblioteca nazionale australiana
- ↑ 6,0 6,1 OpenLibrary
- ↑ 7,0 7,1 SNAC
- ↑ 8,0 8,1 Encyclopædia Universalis
- ↑ 9,0 9,1 Early Modern Letters Online
- ↑ 10,0 10,1 Digital Library for Dutch Literature
- ↑ 11,0 11,1 LIBRIS
- ↑ 12,0 12,1 Faceted Application of Subject Terminology
- ↑ 13,0 13,1 Brockhaus Enzyklopädie
- ↑ 14,0 14,1 Store norske leksikon
- ↑ 15,0 15,1 Alvin
- ↑ 16,0 16,1 opac.vatlib.it
- ↑ 17,0 17,1 Gran Enciclopèdia Catalana
- ↑ 18,0 18,1 Electronic Enlightenment
- ↑ 19,0 19,1 Oxford Dictionary of National Biography