2 GCSE resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE Subject Ancient History History Exam board AQA OCR TopicClear filter Louis Pasteur Medicine Through Time Robert Koch Resources Grid Timeline The Discovery of Germs GCSE, History Grid 5.0 / 5 Louis Pasteur and Robert Koch GCSE, Ancient History Grid 4.5 / 5 Search again