fields: 
  - name
  - instructor
  - id
  - goal
  - content
  - form-of-instruction 
  - prerequisites 
  - teaching-material 
  - author-of-indenture 
  - used-in 
  - workload 
  - credits
  - form-of-exam 
  - term
  - frequency 
  - duration 
  - kind
  - remarks