Correspondence, manuscripts, diaries, documents, subject files and printed materials of Vera Vinter and of her husband, Viktor. There are letters from Igor ́Sikorskiĭ. All the correspondence dates from 1919 to 1969. Much of it concerns Vinter's scientific work dealing with the chemical analysis of milk. The manuscripts are primarily by Viktor Vinter himself, and include a number of articles he published in Czech, German, Finnish and American scientific journals. There are several diaries, notebooks and scrapbooks relating to his scientific endeavors. Among the documents are medical statements concerning his World War I injury, passports, and two folders relating to patents. The photographs are chiefly of the Vinter family. The printed materials include journals containing articles by Vinter.