A Descriptive Bibliography of the Writings of George Jacob Holyoake, with a Brief Sketch of His Life, by Charles William Frederick Goss (at Google Books)
Holyoake was one of those amazingly prolific radicals, writing on co-operation, free thought, labor issues, etc. This 1908 limited edition bibliography is not exhaustive, but covers his separate publications nicely and summarizes where his contributions to periodicals took place. The Google Books print seems to be good, so grab a copy for your reference library.
