| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Year Planner 2020: Annual calendar and weekly planner 2020 in practical DIN A5 for on the way - for planning, organising and taking notes I Appointment calendar 2020 | 978-1-0749-9226-2 (1-0749-9226-1) | 2019 |
| Year Planner 2020: Annual calendar and weekly planner 2020 in practical DIN A5 for on the way - for planning, organising and taking notes I Appointment calendar 2020 | 978-1-0750-0188-8 (1-0750-0188-9) | 2019 |
| Year Planner 2020: Annual calendar and weekly planner 2020 in practical DIN A5 for on the way - for planning, organising and taking notes I Appointment calendar 2020 | 978-1-0750-0301-1 (1-0750-0301-6) | 2019 |