Education
He enrolled as a student in 1893, and graduated with a degree in philosophy in 1902, with the treatise Les suffixes toponymiques dans les langues française et provençale.
He enrolled as a student in 1893, and graduated with a degree in philosophy in 1902, with the treatise Les suffixes toponymiques dans les langues française et provençale.
He was employed as a lecturer at Uppsala University in 1905, and as chief librarian at the same university in 1910. In 1914, Collijn commenced editing the librarians" periodical Nordisk tidsskrift för bokoch biblioteksväsenior He was a cousin of Ludvig Collijn.
Royal Swedish Academy of Sciences.