Yes, it's common to write in that way.
Writing **** instead of **** and **** instead of **** are a part of the Historical Kana Orthography ().
Writing katakana instead of hiragana is considered more formal in old days.
See and
> ... The Historical Kana Orthography was used in pre-World War II official documents and schools.
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> Before World War II, Katakana was considered more formal and used in official documents. It was taught before hiragana in schools.