The great American Rosetta stone
Subtitle: or, The Cincinnati tablet speaks a universal language, revealed for the first time more than 100 years after its discovery in Old Mound at corner of Fifth and Mound sts. in Cincinnati in 1841; the master key of all the mound builders mysteries, wonderful culture and high intelligence shown and handed down to civilization of the present day for our good and welfare. History repeats itself.
By: [Authors:] Joseph John Hall [and] Remer Young Jones
Contributors: Jones, Remer Young; Hall, Joseph John.
Published: 1949
Place of publication: [Tampa, Fla
Language: eng
Number of pages: 139
Subjects: Mounds -- Ohio; Mounds -- United States; Spiritualism
Other titles: Cincinnati tablet speaks a universal language; Tampa mound mystery
Notes: At head of title: Book one

Book 2 has special t.p.: Exploring the unknown; or, Tampa mound mystery, revealed by psychometric research. Excerpts from large volume complete on Tampa mound relics, by Joseph John Hall