Magnetic photo albums

Can anyone recommend either readings or a simple procedure for
the removal of photographs from "magnetic" albums?  The volume
in question is quite old, and the adhesive has become quite
hard.  I've never dealt with one that was so unyielding!

Michael McCormick
WRHS

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                   Conservation DistList Instance 6:4
                  Distributed: Saturday, June 20, 1992
                        Message Id: cdl-6-4-005
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