Working document: metadata mapping for The Liberator

Pivotal Tracker #120388273: As an NYU Patron, I want to discover issues of The Liberator in Bobcat, so that I can use these resources in my research.

Ichabod	Liberator	Multivalue	Notes	Example
addinfolink
addinfotext
available	ss_handle	N		http://hdl.handle.net/2333.1/9s4mw87m
citation		Might need to be constructed using multiple fields.
contributor	sm_author		Y	Eastman, Max, 1883-1969, ed. Eastman, Crystal, 1881-1928, ed. Watts, Theodore F., ctb.
creator			Is it the case that for The Liberator there is no creator? Only contributor and publisher?
data_provider	sm_provider_code	Y	This field should always have value "NYU", to meet DPLA's requirements downstream. Should be populated on export, not on ingest into Ichabod.	NYU
date	ss_publication_date_text	N	There is a multi-valued sm_publication_date_text field. In Ichabod YAML file, this field is specified as type data, which presumably means Solr date.	sm_publication_date_text: "January 1919"
description			Might need to hardcode this.
discoverable				Yes
edition
format	n/a	n/a	n/a	Use type field for format.
geometry	n/a	n/a	n/a	n/a
identifier	ss_handle	N		http://hdl.handle.net/2333.1/9s4mw87m
isbn	n/a	n/a	n/a	n/a
language	sm_language_code	Y		eng
location
publisher	sm_publisher	Y		Liberator Publishing Co.
relation
repo
resource_set
restrictions
rights
series	n/a	n/a	n/a	OK to put volume here.
subject	sm_subject_label	Y		Socialism -- Periodicals Socialism -- United States -- Periodicals Communism -- Periodicals Communism -- United States -- Periodicals
subject_spatial	n/a	n/a	n/a	n/a
subject_temporal	n/a	n/a	n/a	n/a
title	ss_title	N		The Liberator, January 1919
type	"Journal"
version