This series contains information about hippogryphs (including letters asking what a hippogryph is), artistic depictions of hippogryphs, ephemera printed by the Hippogryph Press, Christmas cards received by the Archers and Christmas cards printed for friends, and a folder of photos. Also of interest is a hand-written oversized journal begun in December 1951 detailing the progress of the Hippogryph Press.

This series contains information about hippogryphs (including letters asking what a hippogryph is), artistic depictions of hippogryphs, ephemera printed by the Hippogryph Press, Christmas cards received by the Archers and Christmas cards printed for friends, and a folder of photos. Also of interest is a hand-written oversized journal begun in December 1951 detailing the progress of the Hippogryph Press.

This series contains information about hippogryphs (including letters asking what a hippogryph is), artistic depictions of hippogryphs, ephemera printed by the Hippogryph Press, Christmas cards received by the Archers and Christmas cards printed for friends, and a folder of photos. Also of interest is a hand-written oversized journal begun in December 1951 detailing the progress of the Hippogryph Press.

This series contains information about hippogryphs (including letters asking what a hippogryph is), artistic depictions of hippogryphs, ephemera printed by the Hippogryph Press, Christmas cards received by the Archers and Christmas cards printed for friends, and a folder of photos. Also of interest is a hand-written oversized journal begun in December 1951 detailing the progress of the Hippogryph Press.

This subseries contains items that did not fit in other series or subseries, and includes Archer's personal copy of an early Clark Library publication, Archer's practice with calligraphy, small newspaper clippings and bits of ephemera, and other items.