Academic American Encyclopedia, Volume 15Grolier, 1986 - Encyclopedias and dictionaries A twenty-one volume encyclopedia with 32,000 entries and more than 16,000 illustrations. |
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19th century American ancient animals architecture atomic became Bibliography bifaces called cells central Charles chemical chlorophyll Christian church color contain continental continental drift deposits developed early elected electrons Europe film flowers fossil France French Gdańsk Greek gymnosperms History important Indian industry islands John king km² known land later light magnetic major ment mi² million modern molecules motion mountain Museum National North North America ocean organisms Pacific painting Pakistan paleomagnetic Panama Paraguay Paris party Pennsylvania period permafrost Persian Peter petroleum Philip philosophy photographic photosynthesis physical Pius plankton plants plastic plate plate tectonics Plato Pleistocene Poland polarized political pollen Pope population produced region repr River Robert rocks Roman Rome seafloor spreading South species structure surface temperature theory tion trans United West western William World War II