{{- $home := .Page.GetPage .Site.Params.home -}}

<div class="header">
  <a
    title="{{ $home.Title }}'s Bibliotheke"
    href="{{ "library/BROWSE_LIBRARY.html" | relURL }}"
    class="bibliotheke"
    target="_blank"
  >
    <img src="{{ "images/bibliotheke.svg" | relURL }}" />
  </a>
  <div class="breadcrumbs">
    <a href="{{ $home.RelPermalink }}">
      <i>{{ $home.Title }}</i>
    </a>
    {{- if ne $home.Title .Page.Title -}}
    »&nbsp;
    <a href="{{ .Page.RelPermalink }}">
      <i>{{ .Page.Title }}</i>
    </a>
    {{- end -}}
  </div>
</div>

<pre>{{ debug.Dump .Site.Params }}</pre>