I haven't read it yet, but there is an overview
of comic strips in the Everybody's Magazine from
about 1905, called Opper, Outcault and Company
on page 763-772:
https://www.google.com/books/edition/Everybody_s_Magazine/VJTNAAAAMAAJ?hl=en&gbpv=1&dq="opper+outcault+and+company"&pg=PA763&printsec=frontcover
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