CircledNumbers is a subset of Noto SansCJK JP under the SIL Open Font License.
	https://github.com/googlefonts/noto-cjk

Dingbats is from URW++ under the GNU Affero General Public License.
	http://git.ghostscript.com/?p=urw-core35-fonts.git

NotoEmoji.woff2 is font from Google under the SIL Open Font License.
	https://github.com/googlefonts/noto-emoji

Source Sans 3 is from Adobe under the SIL Open Font License.
	https://github.com/adobe-fonts/source-sans

Source Serif 4 is from Adobe under the SIL Open Font License.
	https://github.com/adobe-fonts/source-serif