Thesis (Ph. D.)--University of Pennsylvania, 1936. / Mimeographed. Each plate accompanied by leaf with descriptive letterpress, not included in the paging. "Reprint of Piedras Negras, Preliminary report no. 4." "Qualitative petrographic analysis of potsherds, by A. Williams Postel": leaves 29-40. Bibliography: leaves 66-69.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/298044251 |
| Date | January 1935 |
| Creators | Butler, Mary, Postel, Albert Williams. |
| Publisher | Philadelphia, University museum, University of Pennsylvania, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Coverage | Piedras Negras (Guatemala) |
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