Grant us this day our daily bread.
D002621:Chemistry / Q000266:history; D005060:Europe; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D008829:Microbiology / Q000266:history; D010684:Philosophy; D012109:Research Support as Topic