For anyone trying to gain a deeper understanding of the music and repertoire of Lowland and Border piping nothing is more valuable than to be able to go back to the sources In the past these were buried in obscure or remote libraries and available only to the determined few. Today, however, large numbers of these invaluable resources are available online. The list here is made of the most important; within these sources you will find the earliest appearances of the core items of the repertoire.