New this update:
- Penguin Modern Painters added to Early Series.
- Penguin English Journeys added to Late Series.
- Penguin Lines added to Late Series.
- Penguin Sports Library added to Late Series (probably incomplete).
Coming up next: I’m undertaking the Penguin Classics 3rd edition series, sorted by ISBN number.
The Penguin Checklist Project 
Modern European Poets D119 is Post War Polish Poetry