A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, previous } from '@wordpress/icons';
<Icon icon={previous} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M11.6 7l-1.1-1L5 12l5.5 6 1.1-1L7 12l4.6-5zm6 0l-1.1-1-5.5 6 5.5 6 1.1-1-4.6-5 4.6-5z"></path></svg>
previous – WordPress Icon Library