| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| M.C. Escher, his life and complete graphic work: With a fully illustrated catalogue | 978-O-81O9-O858-1 (O-81O9-O858-1) | 1982 |
Ernst L. Locher · J. L. Locher · Julie L. Locher · L Lacour · L. Lazzari · L. Leger · L. Licari · L. Locher-Ernst · Lieselotte Locher · Louis Locher-Ernst