NYC City Hall Library Catalog
The City Hall Library is New York City's official depository for all agency published reports and studies. More info can be found at http://nyc.gov/html/records/html/about/chlibrary.shtml
Open in the graph · Relate this dataset · What these columns mean
Freshness
The publisher's promise
How the agency that publishes this data says it keeps the data current.
Dormant
- Says it updates
- As needed
- Actually updates about every
- —
- Publisher last updated the data
- Jun 21, 2013
Our mirror
Whether our copy of this data is current with the source.
In sync
- We last synced
- Aug 27, 2019, 9:05 PM
- Rows in our copy
- 30,509
- Rows at the source
- 30,509
- Our copy trails the source by
- under a minute
Columns
Each source column, with the name and type we use to store it.
0 of 1 columns carry a concept; 0 carry a description from the publisher. Read the concept column before you join. A column with no concept carries no claim from us, and a name that looks like a key is not one.
| Source field | Display name | What the publisher says it is | Concept | Source type | Stored as | Stored type | Row identifier | Unit |
|---|---|---|---|---|---|---|---|---|
corporate_name_subordinate_unit_title_remainder_of_title_remainder_of_title_page_date_of_publication_geographic_name_general_subdivision | Corporate Name#Subordinate Unit#Title#Remainder Of Title#Remainder OF Title Page#Date Of Publication#Geographic Name#General Subdivision | The publisher describes this column nowhere. | Not bound | Text | corporate_name_subordinate_unit_title_remainder_of_titl_98edd3a | text | — |
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This file was produced on Aug 26, 2026, 10:57 PM.
Refresh this dataset
Source and attribution
Where this data comes from, which version we hold, and what we changed.
- Source
- https://data.cityofnewyork.us/d/gysc-yn4h
- Version
- Content hash:
df61475e4d9d6ea0986ceac68295891c7c03ab55154b28c59d8fd5236197941f - What we changed
- We did not change the data. We stored it as published.
- Publisher
- codenownyc
- We retrieved it
- Aug 27, 2019, 9:05 PM
Update history
| Started | Kind | Result | Rows written | Produced by |
|---|---|---|---|---|
| Aug 26, 2026, 3:15 PM | full_replace | success | 30,509 | codenow-nycmesh-container-oci.jfrog.io/codenow/citytap-pull:0.1.72 |