Åke Bertenstam is a Swedish librarian at The Carolina Library of Uppsala University. He has compiled one of the largest bibliographies of works by and about J.R.R. Tolkien. These were originally published through various issues of the journal Arda, but can also be found on the internet.
Corrigenda to A Chronological Bibliography of Books About J.R.R. Tolkien
- 32 "Spojrzenie z zewnątrz"
- 40 Shadows of Heaven: Religion and Fantasy in the Writing of C.S. Lewis, Charles Williams, and J.R.R. Tolkien