American Treasures of the Library of Congress: Baseball Songs - Includes sheet music covers of several baseball songs, the first of which was written in 1858.
Classic Railroad Songs - Collections of songs since 1930, including historical profiles of song and CD ordering.
Froggy's Novelty Song Lyric Collection - Songs popular during the first third of the twentieth century as transcribed from period phonograph recordings.
Slate: The Worst Songwriter of All Time - Mark Steyn's article on Bob Merrill and novelty songs in general.
World War One Songs - List of popular songs, some with audio samples.
