All images in the public domain in the United States and elsewhere because the maker died over 100 years ago.
All artwork is in the public domain in the United States because the artist has been dead over 70 years.
Copyright on all images not known. Fair use license.
All images in the public domain.
These are taken from here https://www.thisiscolossal.com/2018/11/japanese-firework-illustrations/?mc_cid=0af526bb1f&mc_eid=869a5459f2. The library in Yokohama, Japan has made PDFs of several of these catalogs available for free download on their website http://www.city.yokohama.lg.jp/kyoiku/library/digitalarchive/hirayama.html. You can find the links at the bottom of their website. Enjoy!
All artwork in the public domain in the United States because the artist has been dead over 70 years.
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