Correspondence and Extension-Class Instruction

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Work Title Correspondence and Extension-Class Instruction
Subtitle Circular 28
Access
Open Access
Creators
  1. Edward Steidle
  2. H.B. Northrup
Keyword
  1. Earth and Mineral Sciences Experiment Station Circulars
License Attribution-NoDerivs 3.0 United States
Work Type Book
Publisher
  1. Pennsylvania State University
Publication Date 1947
Deposited September 17, 2014

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Version 1
published

  • Created
  • Added x3f462793k_version1_circular28.pdf
  • Added Creator Edward Steidle
  • Added Creator H.B. Northrup
  • Published