doc_id
series_id
vol_id
part_id
subpart_id
doc_title
doc_type
doc_notes
doc_subjects
doc_theme = memo
comp_year = numeric 9999
comp_month = numeric 99
comp_day = numeric 99
comp_wherewritten
comp_recipient
comp_source
pres_year = numeric 9999
pres_month = numeric 99
pres_day = numeric 99
pres_display_date
pres_beforewhom
pres_where
event_year = numeric 9999
event_month = numeric 99
event_day = numeric 99
presented= Yes, No, Uncertain
author_presenter = memo