Download from Library of Congress

[Prosfilaes]

I'm trying to get http://www.loc.gov/item/90716351/ , for which there seems to be no option to download. I've tried that and

[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'http://www.loc.gov/item/90716351/']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2014.06.26
[debug] Python version 2.7.7 - Linux-3.14-1-amd64-x86_64-with-debian-jessie-sid
[debug] Proxy map: {}
[generic] 90716351: Requesting header
WARNING: Falling back on generic information extractor.
[generic] 90716351: Downloading webpage
[generic] 90716351: Extracting information
ERROR: Unsupported URL: http://www.loc.gov/item/90716351/; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.
Traceback (most recent call last):
File "/home2/prosfilaes/bin/bin/youtube-dl/youtube_dl/extractor/generic.py", line 451, in _real_extract
doc = parse_xml(webpage)
File "/home2/prosfilaes/bin/bin/youtube-dl/youtube_dl/utils.py", line 1406, in parse_xml
return xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs)
File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1300, in XML
parser.feed(text)
File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1642, in feed
self._raiseerror(v)
File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1506, in _raiseerror
raise err
ParseError: mismatched tag: line 331, column 2
Traceback (most recent call last):
File "/home2/prosfilaes/bin/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 516, in extract_info
ie_result = ie.extract(url)
File "/home2/prosfilaes/bin/bin/youtube-dl/youtube_dl/extractor/common.py", line 167, in extract
return self._real_extract(url)
File "/home2/prosfilaes/bin/bin/youtube-dl/youtube_dl/extractor/generic.py", line 741, in _real_extract
raise ExtractorError('Unsupported URL: %s' % url)
ExtractorError: Unsupported URL: http://www.loc.gov/item/90716351/; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type youtube-dl -U to update.

The following seems to be the chunk of code that implements the video.

<script type="text/javascript" src='http://media.loc.gov/loader/js/media.js'/>
</script>

        <div id='mediaInstance1' class='locmedia-load-this' style='display:none'>
            <code>{
"mimetype": "application/x-video", 
"url": "http://lccn.loc.gov/90716351#cosmos_set", 
"mediaType": "V", 
"detailUrl": "http://lccn.loc.gov/90716351#cosmos_set", 
"mediaObjectId": "E6AB0B2585930180E0438C93F0280180", 
"aspectRatio": "4:3", 
"autoPlay": false, 
"shortName": "Pa's trip to Mars", 
"playerSize": "largeStandard", 
"metadata": [
    "Pa's trip to Mars"
]

}

[dstftw]

Library of Congress is supported since youtube-dl 2016.06.03.