. >> i'm constance carter, head of the science and technology division of the library of congress and today we're here in the theater of the library of congress' madison building. on this side of the table, we have the correspondence of charles darwin. he was born in 1809 and died in 1882. and here we have the first 16 volumes of his correspondence going up to 1868. we expect the volumes to end at probably 36. and i have some selected correspondence such as this charles darwin's letters edited by fred burkhart and i like this particular volume because it's dedicated to me here and inscribed to me. and it says for connie, for whom so many of us thank god. and my brother, who thinks i'm lower than dirt, saw this and has treated me like a queen ever since. and here we have a piece from 1873. when i worked on the correspondence, most of the time i was looking for letters to editors of biographical materials and one day they asked me to find if there was a poem written by the crew. they didn't know what the name of the crew was but it was one -- a poem that had been written for the 1873 ma