- tr.wikipedia.org Krupp17 Ağustos 1911 tarihli Servet-i Fünün dergisinde Osmanlı heyetinin Krupp müessesesi ziyareti. Krupp, Essen bölgesinde yerleşik 400 yıllık geçmişe sahip Alman aile.
- britannica.com money/Krupp-AGKrupp AG, former German corporation that was one of the world’s principal steelmakers and arms manufacturers until the end of World War II.
- firearmcentral.fandom.com wiki/KruppFriedrich Krupp AG was a German industrial company founded in the early 20th Century. In 1999 it merged with Thyssen to become ThyssenKrupp.
- Alfred'in oğlu Friedrich Alfred Krupp (1854-1902) zamanında ise harp gemileri inşası ve zırhlı levha imalatına başlandı.
- thyssenkrupp.com en/company/history/the-founding-…Friedrich Krupp, whose father died in 1795, only attends grammar school up to the age of 14 before serving a commercial apprenticeship - partly in the grocery store...
- econterms.net aero/KruppKrupp is a well-established German weapons manufacturer, commissioned to create an anti-aircraft gun during the Franco-Prussian War of 1870...
- wikidata.org wiki/Q679201Friedrich Krupp AG. German heavy engineering company based in Essen.
- g-geschichte.de plus/krupp/Die Krupps waren reiche Leute, Friedrich war Millionär und selbst Alfred konnte noch von dem Vermögen seiner Familie profitieren“, erklärt mir Professor Werner...
- dhm.de archiv/ausstellungen/victalb/e13ab2.htmView of the new mechanical workshop of the Frederick Krupp AG at Essen,1906.