Austins had wavey bars and Morrises had straight ones.

A40 Farina -

MkI (1958 - 1961) - one piece chrome headlamp and sidelight surround.
- handle rather than push-button on bootlid.

MkII (1962 - 1967) - Separate chrome headlamp surround.
- push-button rather than handle on bootlid.

http://www.a40farinaclub.org

Ado16 (BMC 1100/1300)

MkI (1962 - 1967) - Tail fin with upright rear lamp front grille fits betwwen headlamps.
MKII (1967 -1971) & MkIII (1971 -1974) - Sloping rear light (teardrop a la Taxi) front grille extends under headlamps.

http://www.ado16.info
http://www.the1100club.com