The data was obtained from at least three major sources.
The data was obtained from the National Survey of Midlife Development in the United States.
The data was obtained through inspectors from the Food Safety and Inspection Service FSIS and USDADA.
The data was obtained via growers surveys conducted in the three estimating States of Washington, Idaho, and Oregon.
The data was obtained using structured questionnaire designed in Likert scale.
The data was obtained by Aleksandr Kogan, a Cambridge University academic who sold it to the consultancy in breach of Facebook's terms.
The data was obtained by the Organized Crime and Corruption Reporting Project and 15min.lt, and shared with the Guardian and other media.
The data was obtained from the VizieR catalogue service and converted into a form that could be recognized by the ASCII kernel of the CIAO Data Model.
The data was obtained by The Independent via Freedom of Information requests to the UK's 54 fire services.
The data was obtained from unsuspecting households as cars photographing the streets for the company's Street View project drove by.
The data was obtained by No Deportations, an organisation that provides signposting information to people who are subject to immigration controls, after a lengthy battle with Home Office, which had declined to release the information.
