TY - GEN AU - Edison,Thomas A. TI - Thomas A. Edison papers, KW - Bliss, George H. KW - Dean, John, KW - Siemens, Werner von, KW - Twain, Mark, KW - Edison Electric Light Company KW - Cigarettes KW - Electric lighting KW - Inventions KW - United States KW - Patents KW - Pens KW - Phonograph KW - Inventors KW - itoamc N1 - Open to research; In part, positive and negative photocopies and typewritten transcripts produced from originals in the hands of Walter William Boyd; Washington, D.C.; Library of Congress Photoduplication Service; 1951 N2 - Correspondence, letters of introduction, and telegrams concerning Edison's inventions such as the electric light, electric pen, graphophone, and phonograph; and sale of letters of patent to the Edison Electric Light Company. Topics include injury caused by cigarettes and a visit from Mark Twain. Correspondents include George H. Bliss, John Dean, and Werner von Siemens ER -