"Science History 17th century." . . "Scienze Storia Sec. XVII." . . "1600 - 1699" . . "Wissenschaft." . . "Science history." . . "Sciences Histoire." . . . . "Mathematik." . . "Nauka 17 w." . . "biographies." . . "Science, Histoire." . . "Sciences 17e siècle." . . "history." . . "Science." . . "Wissenschaft : Geschichte." . . "individual biographies." . . . . "History" . "History"@en . . . . . . "Christian Huygens, and the development of science in the seventeenth century. [With illustrations, including a portrait.]"@en . . . "Christian Huygens and the development of science in the 17th century" . . "Christian Huygens and the Development of Science in the Seventeenth Century. [With a portrait.]" . "Christian Huygens and the Development of Science in the Seventeenth Century. [With a portrait.]"@en . . . . . . . . . . . . . . . . . "Christian Huygens and the development of science in the seventeenth century" . "Christian Huygens and the development of science in the seventeenth century"@en . . . . . . . . . . . . . . "Christian Huygens and the Development of Science in the Seventeenth Century" . . . . . . . "Christian Huygens and the development of Science in the seventeenth century" . . . "Biography"@en . . . . . "Biographie 1629-1695" . . . . . . . . "Christian Huygens" . . . "Mathematik : Geschichte." . .