_:n67b41cc103464b5f94dc46cac2295afbxb0
<http://schema.org/logo>
<https://cdn.shopify.com/s/files/1/0525/5613/6627/files/Youtube_Channel_Logo_PNG_800x.png?v=1610295417>
<https://shebablake.com/products/a-treatise-concerning-the-principles-of-human-knowledge>