Project Runeberg has published the following works by this author:
Find other Nordic Authors named Efvergren,
others born in 1881
or deceased in 1941.
Look for more information in
Det Kgl. Bibliotek,
Google (search,
book search),
Hathi Trust,
Internet Archive,
Kansalliskirjasto (catalog,
digi,
metadata),
Kungl. biblioteket (Libris,
tidningar),
Nasjonalbiblioteket (aviser,
bøker,
Oria,
tidsskrifter),
Project Gutenberg,
Yahoo.