Misc: who, according to a diary entry, said on march 17 1912 ?

Questions

Where would you find the only freshwater seals in the world?

What is the common name of the herb Melissa Officanalis?

The Beach Boys had two British number one hits, "Good Vibrations" and which other?

Who painted " Girl with Red Scarf and Black Trousers"?

In which county is the National Trust property "Cotehele"?