| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Labour Co-Operatives: Retrospect and Prospects | 978-92-2-103011-9 (92-2-103011-3) | 1983 |
| Labour co-operatives: Retrospect and prospects | 978-92-2-103012-6 (92-2-103012-1) | 1983 |
| Les coopératives de main-doeuvre: Déclin ou relance? | 978-92-2-203012-5 (92-2-203012-5) | 1982 |
R. L · R. Louis · Raymond L. · Raymond L. (Louis) Hogler · Raymond S. Louis