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The Exempt Organization Business Master File Extract (EO BMF) contains cumulative information on exempt organizations. The EO BMF data are the most recent information the Internal Revenue Service has for the exempt organizations. Data are extracted monthly from the IRS's Business Master File. The files are available and divided by region and by state. State and region are determined from the filing address and generally represent the location of an organization's headquarters, which may or may not represent the state(s) in which an organization has operations. Records are sorted by Employer Identification Number (EIN). There is one file for each state, the District of Columbia, and Puerto Rico, and one file for International (non-domestic) organizations. There are four region files:

Region 1: Northeast Area - Includes Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey

Region 2: Mid-Atlantic and Great Lakes Area - Includes Pennsylvania, Ohio, West Virginia, District of Columbia, Maryland, Delaware, Virginia, North Carolina, South Carolina, Michigan, Kentucky, Indiana, Illinois, Wisconsin, Minnesota, Iowa, Nebraska, South Dakota, North Dakota.

Region 3: Gulf Coast and Pacific Coast Area - Includes Tennessee, Georgia, Florida, Alabama, Mississippi, Missouri, Arkansas, Louisiana, Texas, Oklahoma, Kansas, Montana, Wyoming, Colorado, New Mexico, Arizona, Utah, Nevada, Idaho, California, Oregon, Washington, Alaska, Hawaii

Region 4: All Other Areas - Includes International and all others.

The EO BMF data contain information about exempt cultural organizations, such as museums, zoos, planetariums, libraries, art exhibits, and cultural performers.

The IRS exempt organization data have been accumulated since the inception of the tax-exempt statutes. A determination letter is issued to an organization upon the granting of an exemption and is considered valid throughout the life of the organization, as long as the organization complies with the provisions of its exemption.

If an organization's exemption is revoked, an announcement to inform potential donors of the revocation is published in the Internal Revenue Bulletin. In addition, the organization's name is removed from publicly accessible venues, including this file. A list of recent revocations may be found online.

NOTE: Split-interest trusts are no longer included in this database.

The data in the Historical Demographic Data of Southeastern Europe series derive primarily from the ethnographic and archival research of Joel M. Halpern, Professor Emeritus of Anthropology at the University of Massachusetts at Amherst, in southeastern Europe from 1953 to 2006. The series is comprised of historical demographic data from several towns and villages in the countries of Bosnia, Croatia, Macedonia, Montenegro, Serbia, and Slovenia, all of which are former constituent republics of the Socialist Federal Republic of Yugoslavia. The data provide insight into the shift from agricultural to industrial production, as well as the more general processes of urbanization occurring in the last days of the Yugoslav state. With an expansive timeframe ranging from 1818 to 2006, the series also contains a wide cross-section of demographic data types. These include, but are not limited to, population censuses, tax records, agricultural and landholding data, birth records, death records, marriage and engagement records, and migration information.

This component of the series focuses exclusively on the Serbian village of Orasac and is composed of 64 datasets. These data record a variety of demographic and economic information between the years of 1824 and 1975. General population information at the individual level is available in official census records from 1863, 1884, 1948, 1953, and 1961, and from population register records for the years of 1928, 1966, and 1975. Census data at the household level is also available for the years of 1863, 1928, 1948, 1953, and 1961. These data are followed by detailed records of engagement and marriage. Many of these data were obtained through the courtesy of village and county officials. Priest book records from 1851 through 1966, as well as death records from 1863 to 1976 and tombstone records from 1975, are also available. Information regarding migrants and emigrants was obtained from the village council for the years of 1946 through 1975. Lastly, the data provide economic and financial information, including records of individual landholdings (for the years of 1863, 1952, 1966, and 1975), records of government taxation at the individual or household level (for 1813 through 1840, as well as for 1952), and livestock censuses (at both the individual and household level for the years of 1824 and 1825, and only at the individual level for the years of 1833 and 1834).

• More than 400 million detailed public records across 2,750+ U.S. counties;
• More than 20 years of deed transfers, mortgages, foreclosures, auctions, property tax delinquencies, and more, for both commercial and residential properties;
• Property characteristics, geographic information, and prior valuations for approximately 150 million parcels in 3,100+ counties nationwide.

• Zestimates
• Rent data (such as rent prices)
• Listing data (such as time on market)
• User search data

• GitHub - zillow-research/ztrax: A repository for dataset creation code using ZTRAX.
• Import ZTRAX Flat Files to R or SQL Database * ztraxr
• https://github.com/matthewstern/ztrax
• https://placeslab.org/hedonic-data-practices/.
• Additional text resources for guidance in using the data can be found in the Data-related Publications for this study.