NDLTD Union Catalog

The NDLTD Union Catalog aggregates ETD metadata from participating repositories using OAI-PMH. This landing page preserves legacy portal functions with the current platform UI.

Recent Additions (RSS) OAI-PMH Identify OAI-PMH ListSets Export Repositories YAML
Harvesting Status
Started Collection Status Changes
2026-03-05 02:36:47.427072+00:00 University of Illinois - Urbana-Champaign
uiuc
 success
etdms
 +57344 / -167
seen 57344
2026-03-04 21:25:29.042543+00:00 Cambridge University
cambridge
 success
uketd_dc
 +15450 / -417
seen 15450
2026-03-04 21:09:36.279010+00:00 University of Cape Town
cape-town
 success
dim
 +28806 / -24
seen 28806
2026-03-04 18:20:00.191828+00:00 MIT
mit
 success
dim
 +64144 / -24
seen 64144
2026-03-04 18:00:29.937947+00:00 Virginia Tech
vt
 success
dim
 +41979 / -15
seen 41979
never RWTH Aachen University
aachen
 not_started
n/a
 No harvest run yet
never Aalborg University
aalborg
 not_started
n/a
 No harvest run yet
never Aalto University
aalto
 not_started
n/a
 No harvest run yet
never Addis Ababa University
aau-et
 not_started
n/a
 No harvest run yet
never Universidade Aberta
aberta
 not_started
n/a
 No harvest run yet
never Abertay University
abertay
 not_started
n/a
 No harvest run yet
never University of Adelaide
adelaide
 not_started
n/a
 No harvest run yet
never Agricultural University of Iceland
ag-u-iceland
 not_started
n/a
 No harvest run yet
never Ajou University
ajou
 not_started
n/a
 No harvest run yet
never University of Akureyri
akureyri
 not_started
n/a
 No harvest run yet
never University of Alabama
alabama
 not_started
n/a
 No harvest run yet
never University of Alaska - Fairbanks
alaska
 not_started
n/a
 No harvest run yet
never University of Alberta
alberta
 not_started
n/a
 No harvest run yet
never Alfred University
alfred
 not_started
n/a
 No harvest run yet
never University of Alicante
alicante
 not_started
n/a
 No harvest run yet
View full harvest status
Summary
Items in Catalog
207076
Public ETD Records
183638
Collections (Enabled)
627
Collections (Total)
628
Harvest Due / Running
5 / 0
Failures (24h) / Backoff
0 / 0
Deleted/Tombstoned
647
Counts Last Updated
2026-03-05 03:18:25.825285+00:00
Collection Statistics by Source Repository Page 1 of 1
Collection OAI Base URL Browse Items Last Updated
MIT
mit
 https://dspace.mit.edu/oai/request ListRecords (dim) 64120 2026-03-04 18:40:54.122458+00:00
University of Illinois - Urbana-Champaign
uiuc
 https://www.ideals.illinois.edu/oai-pmh ListRecords (etdms) 57177 2026-03-05 03:18:25.825285+00:00
Virginia Tech
vt
 https://vtechworks.lib.vt.edu/oai/request ListRecords (dim) 41964 2026-03-04 18:15:29.329510+00:00
University of Cape Town
cape-town
 https://open.uct.ac.za/oai/request ListRecords (dim) 28782 2026-03-04 21:23:06.687629+00:00
Cambridge University
cambridge
 https://api.repository.cam.ac.uk/server/oai/request ListRecords (uketd_dc) 15033 2026-03-04 21:32:08.489177+00:00