Scope and Contents: Letters, documents and books of Niels Bohr's paternal ancestors dating back to the 18th century. Bohr family Bible. Correspondents include: Peter Georg Bohr (1776-1847), NB's great-grandfather; schoolteacher. Henrik Georg Christian Bohr (1813-1880), NB's grandfather; school principal, professor; author of several history textbooks written in Danish, some of which are in this collection. Henrik Georg Christian Bohr (1844-1904), uncle, Chinese mandarin; a few papers relating to his employment in China. Peter Georg Bohr (1845-1912), uncle, schoolteacher; a school atlas compiled by him is included. Christian Harald Lauritz Peter Emil Bohr (1855-1911), father, physiologist, professor.