Series:

Thumbnail	Title	Series Number	Date	Description
	Unit 28 Computer Marked Assignment		1971
	Unit 27 Table A		1970
	Unit 28 Broadcast Notes
	Unit 28 Home Notes
	Unit 28-30 reference material: inventory
	Unit 32 Table A
	Unit 28 Summary		1970
	Unit 27 Summary		1970
	Unit 33-34 Appendix 4
	Unit 33-34 Stop Press