A handful of links:

The Music of Lars Gullin - Gunnar Lindqvist om LG i Stims bok med noter

Chet Baker Discography

Rolf Billberg

Swedish Jazz Discography

Swedish Music

Dragon Records

Anagram Records

Lars Sjösten

Prestige Discography

Metronome (and other Swedish labels) Discography

Dick Twardzik Discography

Jazz Discographies

Renato Sellani Discography

Swedish Jazz Musicians