Advertisement in <i>Morning Herald</i> (New York, June 18, 1838) for the bowling alleys beneath the Knickerbocker Hotel.
<ul><li>Source: <cite style="font-style:normal"> (<span class="mw-formatted-date" title="1838-06-18">June 18, 1838</span>). "<a rel="nofollow" class="external text" href="https://www.newspapers.com/image/466528819/">Communicated - Bowling Alleys</a>". <i>Morning Herald</i>: 5.</cite> (edition of <i>New York Daily Herald</i>)</li></ul>
<ul><li><i>Morning Herald</i>. June 18, 1838. p. 5. (edition of <i>New York Daily Herald</i> newspaper)</li></ul>
<ul><li>From newspapers.com: <a rel="nofollow" class="external free" href="https://www.newspapers.com/image/466528819/">https://www.newspapers.com/image/466528819/</a></li></ul>