http://hu.wikipedia.org/wiki/Nemzeti_M%C3%A9dia-_%C3%A9s_H%C3%ADrk%C3%B6zl%C3%A9si_Hat%C3%B3s%C3%A1g 自由 的 新闻 NMHH 匈牙利媒体法
Reupload from Collection on Wikicommons - URL https://secure.wikimedia.org/wikipedia/commons/wiki/File:General-strike.svg information about why this image is in the public domain can be found there. 一般 罢工 维基 总罢工
http://www.flickr.com/photos/sovietreality/ better versions you can find by rones: http://www.openclipart.org/detail/161821/labor-poster-fixed-by-rones http://www.openclipart.org/detail/161827/labor-poster-are-drawn-anew-by-rones 年份 苏 海报 复古的苏联海报