Ninth grade course in school opportunities and occupations 
By: Commonwealth of Pennsylvania, Department of public instruction.
Contributors: Holbrook, Harold Lyman.
Series: Bulletin; 77
Published: 1933
Place of publication: Harrisburg
Language: eng
Number of pages: 58
Subjects: Vocational education -- Pennsylvania.; Occupations.; Vocational guidance.
Notes: Contains "References".
"Reference materials": p. 9-19.
"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.