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+<p>
+  Noto Sans Old Persian is an unmodulated (“sans serif”) design for texts in the
+  historical Middle Eastern <em>Old Persian</em> script.
+</p>
+<p>
+  Noto Sans Old Persian contains 55 glyphs, and supports 54 characters from the
+  Unicode block Old Persian.
+</p>
+<h3>Supported writing systems</h3>
+<h4>Old Persian</h4>
+<p>
+  Old Persian is a historical Middle Eastern semisyllabary, written
+  left-to-right. Was used around 525 BCE–330 BCE for Old Persian. Resembles
+  Sumero-Akkadian cuneiform. Read more on
+  <a href="https://scriptsource.org/scr/Xpeo">ScriptSource</a>,
+  <a href="https://www.unicode.org/versions/Unicode13.0.0/ch11.pdf#G26474"
+    >Unicode</a
+  >, <a href="https://en.wikipedia.org/wiki/ISO_15924:Xpeo">Wikipedia</a>,
+  <a href="https://en.wiktionary.org/wiki/Category:Old_Persian_script"
+    >Wiktionary</a
+  >, <a href="https://r12a.github.io/scripts/links?iso=Xpeo">r12a</a>.
+</p>