USA, 1881-1936hdl:10622/SR2UMMIISH Data Collection2019-05-161van der Velden, Sjaak, 2019, "USA, 1881-1936", https://hdl.handle.net/10622/SR2UMM, IISH Data Collection, V1USA, 1881-1936hdl:10622/SR2UMMvan der Velden, SjaakIISH Data Collectionvan der Velden, Sjaakvan der Velden, Sjaak2019-05-16Arts and HumanitiesSocial SciencesstrikesData from two sources.United States-66.970835894733471.3514361502703-178.21655499833918.9254821014449USA,1881-1936.xlsxapplication/vnd.openxmlformats-officedocument.spreadsheetml.sheetUSA,explanatory text.docapplication/msword