This is a LaTeX version of a file on Internet Archive entitled "You Don't Need a Weather Vane to Know Which Way the Wind Blows," by the founding members of the radical SDS splinter group, Weather Underground, or Weathermen.
The link is found here.
The file was uploaded in 1990 and shows a publication date of 1969. The publisher was ``sds New Left Notes,'' June 18, 1969, vol. 4, no. 22. Tagged topics in the Internet Archive PDF are: communism, New Left, terrorism.
The original PDF is available in this repository, as is the refomatted plain text version, which will show typos and omissions.
The manifesto, which was signed by the founders of the Weather Underground - Karen Ashley, Bill Ayers, Bernardine Dohrn, John Jacobs, Jeff Jones, Gerry Long, Howie Machtinger, Jim Mellen, Terry Robbins, Mark Rudd, and Steve Tappis -- calls for the creation of a clandestine revolutionary organization.
Reviews are available here.
More information about the publication in which this document first appeared can be found here.