Koch Published his book on cholera, didn't he?
In 1884 a book on cholera was published, wasn't it?
What was published in 1884
Did Koch Publish his book on cholera In 1884?
1. in 1884 Koch published his work on cholera,didn't he?
2 What did Koch publish in 1884?
Did he publish his book on cholera in 1884?
did he publish his work in 1884 or 9n 1954?
Did he publish or read hi book in 1884?
Koch Published his book on cholera, didn't he?
In 1884 a book on cholera was published, wasn't it?
What was published in 1884
Did Koch Publish his book on cholera In 1884?
1. in 1884 Koch published his work on cholera,didn't he?
2 What did Koch publish in 1884?
Did he publish his book on cholera in 1884?
did he publish his work in 1884 or 9n 1954?
Did he publish or read hi book in 1884?