. . . . . . . . . . "The record of the celebration of the two hundredth anniversary of the birth of Benjamin Franklin under the auspices of the American Philosophical Society, held at Philadelphia for promoting useful knowledge, April the seventeenth to April the twentieth, A.D. nineteen hundred and six"@en . "The record of the celebration of the two hundredth anniversary of the birth of Benjamin Franklin : under the auspices of the American Philosophical Society, held at Philadelphia for promoting useful knowledge, April the seventeenth to April the twentieth, A.D. nineteen hundred and six" . . . . . "Calendar of the papers of Benjamin Franklin in the library of the American Philosophical Society"@en . "Calendar of the papers of Benjamin Franklin in the library of the American Philosophical Society" . "The record of the celebration of the two hundredth anniversary of the birth of Benjamin Franklin, under the auspices of the American Philosophical Society held at Philadelphia for promoting useful knowledge, April the seventeenth to April the twentieth, a. d. nineteen hundred and six" . . . . . . "Franklin bicentennial celebration, Philadelphia 1906"@en . "Franklin bicentennial celebration, Philadelphia 1906" . . . "American Philosophical Society. Library." . . "Benjamin Franklin Collection (Library of Congress)" . . "American Philosophical Society." . .