imperfect printing
21Joseph Pomeroy Widney — (December 26, 1841 mdash; July 4, 1938) was a polymathic pioneer American physician, medical topographer, scholar educator, clergyman, entrepreneur philanthropist, proto environmentalist, prohibitionist, philosopher of religion, controversial… …
22History of the Czech language — The Czech language developed at the close of the 1st millennium from the Proto Slavic language. Individual periods Proto Czech The oldest development stage of Czech as a separate language (end of the 10th century – c. mid 12th century). Linguists …
23labour economics — Study of how workers are allocated among jobs, how their rates of pay are determined, and how their efficiency is affected by various factors. The labour force of a country includes all those who work for gain in any capacity as well as those who …
24Aramaic language — Not to be confused with the Amharic language. For the people, see Aramaeans. Aramaic Arāmît Pronunciation [arɑmiθ], [arɑmit], [ɑrɑmɑjɑ], [ɔrɔmɔjɔ] Spoken in Ir …
25Incunabulum — An incunabulum is a book, single sheet, or image that was printed mdash; not handwritten mdash; before the year 1501 in Europe. The origin of the word is the Latin incunabula for swaddling clothes , used by extension for the infancy or early… …
26Color theory — For the American electronica/synthpop musician, see Color Theory. In the visual arts, color theory is a body of practical guidance to color mixing and the visual impacts of specific color combinations. Although color theory principles first… …
27Edition (book) — The bibliographical definition of an edition includes all copies of a book printed “from substantially the same setting of type,” including all minor typographical variants. First edition According to the definition of edition above, a book… …
28United States Congress — For the current Congress, see 112th United States Congress. United States Congress 112th United States Congress …
29Columbia, South Carolina — For other uses, see Columbia (disambiguation). Columbia   State Capital   City of Columbia …
30Metalloid —   13 14 15 16 17   2  B Boron …
