"Timeline of the Daguerreian Era" from The Library of Congress, American Memory Collection: http://memory.loc.gov/ammem/daghtml/dagtime.html "Brief Introduction to the Daguerreotype" from The Library of Congress, American Memory Collection: http://memory.loc.gov/ammem/daghtml/dagdag.html home | introduction | dickinson focus texts | texts on photography | image gallery | critical perspectives | timeline | questions | bibliography | acknowledgements