diff --git a/rattail_mailchimp/importing/mailchimp.py b/rattail_mailchimp/importing/mailchimp.py
index 9073a93..61d5af4 100644
--- a/rattail_mailchimp/importing/mailchimp.py
+++ b/rattail_mailchimp/importing/mailchimp.py
@@ -75,6 +75,9 @@ class FromMailChimp(importing.Importer):
 class MailChimpListImporter(FromMailChimp, mailchimp_importing.model.MailChimpListImporter):
     """
     List importer for MailChimp -> Rattail
+
+    https://github.com/VingtCinq/python-mailchimp#lists-1
+    https://mailchimp.com/developer/marketing/api/lists/get-lists-info/
     """
     key = 'id'
     supported_fields = [
@@ -99,6 +102,9 @@ class MailChimpListImporter(FromMailChimp, mailchimp_importing.model.MailChimpLi
 class MailChimpListMemberImporter(FromMailChimp, mailchimp_importing.model.MailChimpListMemberImporter):
     """
     List importer for MailChimp -> Rattail
+
+    https://github.com/VingtCinq/python-mailchimp#list-members
+    https://mailchimp.com/developer/marketing/api/list-members/list-members-info/
     """
     key = ('list_id', 'contact_id')
     supported_fields = [