Helena, Montana, U.S., Main Street in the 1900s (decade)
<ul><li>Source: <a rel="nofollow" class="external free" href="https://helenair.com/news/local/postcards-show-what-helena-looked-like-100-years-ago/collection_8a7df574-bf04-53a7-8b3c-c9f7b5795057.html">https://helenair.com/news/local/postcards-show-what-helena-looked-like-100-years-ago/collection_8a7df574-bf04-53a7-8b3c-c9f7b5795057.html</a></li>
<li>Archive of source: <a rel="nofollow" class="external free" href="https://web.archive.org/web/20200716054830/https://helenair.com/news/local/postcards-show-what-helena-looked-like-100-years-ago/collection_8a7df574-bf04-53a7-8b3c-c9f7b5795057.html#1">https://web.archive.org/web/20200716054830/https://helenair.com/news/local/postcards-show-what-helena-looked-like-100-years-ago/collection_8a7df574-bf04-53a7-8b3c-c9f7b5795057.html#1</a></li></ul>
Unknown maker of postcard from the 1900s decade, published in the Helena, Montana <i>Independent Record</i> (newspaper) in 2017.
<a rel="nofollow" class="external free" href="https://web.archive.org/web/20200716054830/https://helenair.com/news/local/postcards-show-what-helena-looked-like-100-years-ago/collection_8a7df574-bf04-53a7-8b3c-c9f7b5795057.html#1">https://web.archive.org/web/20200716054830/https://helenair.com/news/local/postcards-show-what-helena-looked-like-100-years-ago/collection_8a7df574-bf04-53a7-8b3c-c9f7b5795057.html#1</a>