Perfect Authentic Cadences Imperfect Auth. Cad. Keyboard Harmony   William Wieland
The 2nd & penultimate examples at the following web pages:
  Major Cadence Patterns:   Close Position   Open Position
  Minor Cadence Patterns:   Close Position   Open Position
  Cadential Six-Four   Pedal Six-Four   Arpeggiated Six-Four
  

The 2nd Augmented Dominant example
All other examples at the following web pages:
  Major Cadence Patterns:   Close Position   Open Position
  Minor Cadence Patterns:   Close Position   Open Position
  Cadential Six-Four   Pedal Six-Four   Arpeggiated Six-Four
  All Passing Six-Four examples

All other Diminished & Augmented examples