Ninth grade course in school opportunities and occupations ...
Commonwealth of Pennsylvania, Department of public instruction.
- Harrisburg, 1933.
- 58 p. form. 23 cm.
- Bulletin 77 .
"Prepared by Harold L. Holbrook."--Foreword. Rounds out the preliminary work begun in grades seven and eight issued as bulletins 48 and 60. cf. Foreword.
Contains "References". "Reference materials": p. 9-19.