Data sources:
=============

Championship races:
-------------------

1950-1951 - wikipedia

1952-1953 - second-a-lap.blogspot.com

1954+ - ergast.com/mrd

Non-championship races:
-----------------------
1950+ - www.silhouet.com/motorsport/archive/f1

1952-1953 - second-a-lap.blogspot.com

1954+ - chicanef1.com

Qualifying:
-----------
2003+ - ergast.com/mrd

1954+ - chicanef1.com