
Foreword.- The influence of Ib Thulin.- Species and provenance testing Eastern USA species.- Species and provenance testing European and Japanese species.- Species and provenance testing western USA species.- Douglas-fir provenance and breeding.- Finale: Species and provenance...

Foreword.- The influence of Ib Thulin.- Species and provenance testing Eastern USA species.- Species and provenance testing European and Japanese species.- Species and provenance testing western USA species.- Douglas-fir provenance and breeding.- Finale: Species and provenance...