Found it! From King Olav of Norway's Memoirs, a small anecdote about his mother Queen Maud:
''I still see her before me as she used to sit at her writing-desk. She always wrote with gloves on, like all the English ladies of her time. Thin natural colored chamois leather gloves. Since they were girls that was what they were taught. It was not to avoid fingerprints, but it was a way to get no ink on their fingers. They wrote with a pen so thin, it probably would not even be possible to write without gloves on.''
King Olav talks about 'they' when he talks about his mothers writing-habbits, so its logical to think he also talks about the writting-habbings of his aunts: Louise and (Vic)toria. And offcourse the rest of the English ladies of that time. His memoirs give a wonderfull inside in the different royal families Olav was connected to and other important historical events. He tells about: the band with his parents, about his grandparents Edward VII and Alexandra, Queen Victoria, the death of the Imperial Family, meeting Martha, the death of his wife and sister-inlaw Astrid and many more interesting stories.