24-10-1974 Protest in support of the Shrewsbury Two, Des Warren & Ricky Tomlinson, outside the High Court. © Mike Tomlinson

30-10-1974 Len Murray gen sec of the TUC speaking to building workers demanding that he take action to free the jailed Shrewsbury pickets. London © NLA

03-10-1973 Mass protest at Shrewsbury Court 1973 for the trial on conspiracy charges of the Shrewsbury 24, building workers who had been active in the 1972 building workers strike © Peter Arkell

16-03-1973 Des Warren, one of the Shrewsbury 2 jailed building workers, comes out of the Shrewsbury Court where he was arraigned with 23 others on conspiracy charges. Shrewsbury © Peter Arkell

03-10-1973 March past the Shrewsbury Court 1973 where 24 building workers were indicted on conspiracy charges arising from picketing during the building workers strike of 1972. Ricky Tomlinson (carrying the Kill... © Peter Arkell

03-10-1973 Ricky Tomlinson, one of the Shrewsbury Two jailed building workers comes out of the Shrewsbury Court 1973 where he was indicted with 23 others on conspiracy charges © Peter Arkell

11-01-1974 Lobby of law courts by building workers demanding the release on bail of the Shrewsbury pickets on trial for conspiracy. London © NLA

10-10-1974 The Shrewsbury 2, Des Warren (left) and Ricky Tomlinson leaving the High Court during their appeal hearing. London © Peter Arkell

24-10-1974 Protest in support of the Shrewsbury Two, Des Warren & Ricky Tomlinson, outside the High Court with a ETU banner. © Mike Tomlinson

03-12-1973 Jake Thackray singing benefit gig for Shrewsbury 24 pickets London 1973 © Chris Davies

24-10-1974 Protest in support of the Shrewsbury Two, Des Warren & Ricky Tomlinson, outside the High Court. © Mike Tomlinson

25-10-1974 Ricky Tomlinson (left) and Des Warren, the Shrewsbury 2, at the appeal court, London. © Peter Arkell

25-10-1974 The Shrewsbury 2. Des Warren (left) and Ricky Tomlinson at the Appeal Court in London. © Peter Arkell

25-10-1974 The Shrewsbury 2. Des Warren (left) and Ricky Tomlinson at the Appeal Court in London. © Peter Arkell

05-11-1974 Building workers lobby their union UCATT to demand action to force the release of the Shrewsbury 2 jailed pickets. London © NLA

14-01-1975 Elsa Warren (left) and Marlene Tomlinson, the wives of the jailed Shrewsbury 2 pickets, at a meeting in Tower Hill, London, before marching to Parliament to demand the release of the jailed men. Londo... © NLA

14-01-1975 March through London to demand the release of the Shrewsbury 2. © NLA

14-01-1975 Protest in support of the Shrewsbury Two, Ricky Tomlinson and Des Warren, jailed for conspiracy. Lobby of Parliament © John Sturrock

14-01-1975 Shrewsbury Two: national demonstration calling for the release from jail of Ricky Tomlnson & Des Warren for their trade union activities, 1975. © John Sturrock

14-01-1975 Shrewsbury Two: national demonstration calling for the release from jail of Ricky Tomlnson & Des Warren for their trade union activities, 1975. © John Sturrock

08-03-1975 Protest in support of the Shrewsbury Two, Ricky Tomlinson and Des Warren, Leicester Prison, having been jailed for conspiracy © John Sturrock

08-03-1975 Supporters of Des Warren and Ricky Tomlinson protest outside HMP Leicester, 1975 where the Shrewsbury Two were in jail for their trade union activity © John Sturrock

08-03-1975 Protest outside Leicester Prison at the jailings of the Shrewsbury 2. © NLA

27-08-1975 Wigan building workers supporting shipyard workers at Cammell Laird shipyard, Birkenhead, 1975 demanding the release of the Shrewsbury pickets from prison © NLA

25-07-1975 Shrewsbury Two: Marlene Tomlinson, wife of Ricky Tomlinson, on the day of his release from Leicester Prison, having been jailed for his trade union activities, 1975. © John Sturrock

25-07-1975 Shrewsbury Two: Ricky Tomlinson, on the day of his release from Leicester Prison, having been jailed for his trade union activities, 1975. © John Sturrock

25-07-1975 Ricky Tomlinson, one of the Shrewsbury 2 jailed building workers, is led by his wife Marlene through a scrum of supporters and journalists after his release from jail. Leicester Prison © Peter Arkell

25-07-1975 Ricky Tomlinson leaving Leicester jail on his release from prison having been jailed for conspiracy as one of the Shrewsbury Two. © John Sturrock

25-07-1975 Ricky Tomlinson, one of the Shrewsbury 2, is released from jail. Leicester Prison © Peter Arkell

25-07-1975 Ricky Tomlinson, one of the Shrewsbury 2, is released from jail and is greeted by wife Marlene. Leicester Prison © Peter Arkell

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14-10-1975 March through London to demand the release of the Shrewsbury 2. © NLA

01-03-1976 Elsa Warren, wife of Shrewsbury picket Des Warren, lobbies Downing Street with their children as part of the campaing for his release. MP Dennis Skinner is at her side. London © Peter Arkell

24-03-1976 Elsa Warren, wife of Shrewsbury 2 picket Des Warren, hands in a petition to Downing Street. Various Labour MPs also present. London © NLA

27-11-1975 Ricky Tomlinson speaking as the Right To Work march passes by TUC headquarters, London, 1975 © John Sturrock

21-07-1978 Des Warren, one of the Shrewsbury 2 building workers jailed on conspiracy charges arising from picketing during the building workers strike of 1972,pictured at home after his release from prison. © Peter Arkell

02-01-1973 London protest at the trial on conspiracy charges of the Shrewsbury pickets 1973 © NLA

23-02-1982 Des Warren 1982. © Peter Arkell

29-06-1977 Grunwick strike and lock-out for union recognition of APEX 1977 Mass picket. Des Warren, one of the Shrewsbury 2 building workers jailed for picketing during the building workers strike of 1972, speak... © Peter Arkell

29-06-1977 Grunwick strike and lock-out for union recognition of APEX 1977 Mass picket. Des Warren, one of the Shrewsbury Two building workers jailed for picketing during the building workers strike of 1972, spe... © Peter Arkell

15-01-1975 Protest by trades unions in support of the Shrewsbury Two, London 1975John Sturrock/Report Archive/reportdigital.co.uk © John Sturrock

30-04-1982 Des Warren, one of the Shrewsbury 2 building workers jailed on conspiracy charges arising from picketing during the building workers strike of 1972, at the launch of his book, The Key To My Cell. Lond... © NLA

08-09-1976 Des Warren one of the Shrewsbury Two imprisoned for ^conspiracy to intimidate^ whilst picketing in 1972. Photographed at TUC Brighton 1976 © Chris Davies