One reason why his birthdate and place of birth are uncertain is that baptismal records in the three places regarded as most likely to have been his birthplace do not go back as far as the 1630s. See Snyder, Kerala. (2007 revised). Dieterich Buxtehude: Organist in Lübeck at Google Books. page 3. Boydell & Brewer. ISBN1-58046-253-7.