{"version":"1.0","provider_name":"Harvard Gazette","provider_url":"https:\/\/dev.news.harvard.edu\/gazette","author_name":"gazetteimport","author_url":"https:\/\/dev.news.harvard.edu\/gazette\/story\/author\/gazetteimport\/","title":"Treasure of immigration archives on Web &#8212; Harvard Gazette","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"bKr7sEhQEx\"><a href=\"https:\/\/dev.news.harvard.edu\/gazette\/story\/2006\/11\/treasure-of-immigration-archives-on-web\/\">Treasure of immigration archives on Web<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/dev.news.harvard.edu\/gazette\/story\/2006\/11\/treasure-of-immigration-archives-on-web\/embed\/#?secret=bKr7sEhQEx\" width=\"600\" height=\"338\" title=\"&#8220;Treasure of immigration archives on Web&#8221; &#8212; Harvard Gazette\" data-secret=\"bKr7sEhQEx\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/dev.news.harvard.edu\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"The Open Collections Program (OCP) of the Harvard University Library has launched \"Immigration to the United States, 1789-1930,\" a Web-based collection of selected historical materials from Harvard's libraries, archives, and museums that documents voluntary immigration to the United States from the signing of the Constitution to the onset of the Great Depression.","thumbnail_url":"https:\/\/dev.news.harvard.edu\/gazette\/wp-content\/uploads\/2006\/11\/8-immigration2-450-1.jpg"}