This article is from the Concertina FAQ, by Chris Timson email@example.com with numerous contributions by others.
Currently the only specialist magazine, Concertina & Squeezebox, seems
to be in abeyance.
The Center for the Study of Free Reed Instruments (see Section 10) will
be producing The Free Reed Journal. Vol. 1 contained several articles on
concertina-related subjects (e.g. an article on Louis Lachenal, one on
concertina and accordion in African folk traditions and a review of
reprints of Victorian concertina repertoire). This level of commitment
is promised to continue and vol.2 is due out soon. The cost will be $20
in USA, $25 elsewhere. Contact Pendragon Press, 41 Ferry Road,
Stuyvesant, NY 12173 USA.
The International Concertina Association has a quarterly newsletter for
members which I find both interesting and informative.