Vol I, nos 1-9 - April-December 1925; vol II, nos 1-6 - January-August 1926 (no issues for June/July). Bound in one volume.
Vol.I, no.1, Apr 1925. Includes: photographs of A.A. Purcell, Will Thorne and mine disaster at Dortmund; editorial by A.A. Purcell; 'International unity' by Will Thorne; 'The class-struggle and unity' by Edo Fimmen; 'The situation in France'; 'The decisions of the CGT'; 'Reception of the Russian report'; 'The views of a Belgian trade union leader' (C. Mertens); 'Unity resolutions'; 'The Dortmund mine disaster'.
Vol.I, no.2, May 1925. Includes: photographs of Tomsky and Fred Bramley, the charter granted to the Operative Bricklayers' Society by the First International, and the Russian delegation to the Anglo-Russian Conference; "Solidarity of the working class is the meaning of May Day"; 'A message from Tomsky'; 'A historic step' by A.B. Swales; 'Unity begins at home' by W.T. Kelly; 'Out of the past' by George Hicks; 'A social democrat on the Russian report' (Friedrich Adler); 'The Anglo-Russian conference'; 'The movement for unity'
Vol.I, no.3, Jun 1925. Includes: photographs of Edo Fimmen, George Hicks, and 'the new Bulgarian atrocities'; 'The new Bulgarian atrocities'; 'Our fourth of June conference to form a workers' alliance' by A.B. Swales; 'From camouflage to reality' by Edo Fimmen; 'Friedrich Adler's criticism of the Russian report' by J.A. Robinson; 'The Barmat case' by William Tell; 'The "honesty" of Mr Mertens'; 'The Anglo-Russian agreement'; 'Backing unity - here and abroad'.
Vol.I, no.4, Jul 1925. Includes: cartoon re the Amsterdam International; photographs of Arthur Pugh, John Marchbank, demonstration of Chinese workers in Moscow, and censored Polish trade union newspaper; 'Murdering Chinese workers'; 'What is this "unity"?' by Arthur Pugh; 'Wanted - unity, national and international' by John Marchbank; 'International development' by John Turner; 'Capitalism's atrocities in China' by Edo Fimmen; 'Trade union "independence" in Belgium' by F. Liebaers; 'In memory of Matteotti' by George Hicks; 'Moscow replies to Amsterdam'; 'For unity - growing support'.
Vol.I, no.5, Aug 1925. Includes: cartoon re the Amsterdam International; photographs of Herbert Smith, the British women's delegation in Transcaucasia, and British troops and killed Chinese workers in Shanghai; 'Capitalism's world offensive'; 'The struggle in China'; 'The mining crisis' by Herbert Smith; 'Trade union unity as seen by a Belgian' by C. Mahlman; 'Our women's delegation to Russia' by Mary Quaile; "Great expectations" by Edo Fimmen; 'Are British trade unionists "blind"?'; 'French workers for unity'; 'Trade unionism in Czechoslovakia'; 'The workers want unity'.
Vol.I, no.6, Sep 1925. Includes: cartoon of 'The subsidised mineowner - poor beggar!'; photographs of A.B. Swales, Ben Tillett and Ben Turner; 'The Congress and our problems'; 'White Terror in Poland'; 'A message to "Trade Union Unity"' from A.B. Swales; 'Unity of unions' by Ben Turner; 'What of the future?' by John Bromley; 'Unity and greater unity' by J. Hallsworth; 'Capital enthroned' by Ben Tillett; 'Our attitude towards the Empire' - 'Workers and oppressed peoples - unite!' by A.B. Swales and 'Against imperialism - trade union unity' by A.A. Purcell; 'Who are the enemies of unity?'; 'Let us be honest and consistent'; 'The Indian textile lock-out'; 'More truth about Russia'; 'Unity - a world-wide want'.
Vol.I, no.7, Oct 1925. Includes: cartoon on international unity; photographs of Fred Bramley, A.B. Swales shaking hands with Tomsky, and Lenin's tomb; 'Scarborough and after'; 'The case for international unity' by Fred Bramley; 'The Trades Union Congress, 1925'; 'Some reminiscences of the London International Congress' by Max Beer; 'An Anglo-Russian call for unity'; 'Foundry workers ready'; 'A chronicle of three congresses'; 'Under the Dawes yoke'; 'A message from America' (Joseph Schlossberg).
Vol.I, no.8, Nov 1925. Includes: Daily Worker cartoon on 'The miners and the Coal Commission'; photographs of Fred Bramley, Arthur Pugh, and Karl Marx's grave; 'Be prepared!'; 'Finland wants unity'; obituary of Fred Bramley; 'The coming struggle' by A. Conley; 'A job for Amsterdam' by R.B. Walker; 'A call for the unity of the world's workers' by A.A. Purcell; 'Mr Oudegeest attacks us'; 'Amsterdam hardens its heart'; 'Heavy going in France' by Raymond W. Postgate.
Vol.I, no.9, Dec 1925. Includes: cartoon 'The truth about Russia'; photographs of Walter Citrine, J.W. Ogden, J.W. Bowen, members of the Central Executive Committee of the USSR with A.I. Rykov, Lenin's mausoleum, and Karl Marx's grave; 'The bigger issues of international unity'; 'Trade union solidarity' by W.H. Hutchinson; 'Thoughts on the cotton industry' by John W. Ogden; 'The new Russia' by Walter M. Citrine; 'The post office and socialisation' by J.W. Bowen; 'The road to unity: A retrospect'; 'Painting caricatures?'; 'Fighting fascism'; 'The Indian textile workers' struggle'.
Vol.II, no.1, Jan 1926. Includes: cartoon re the Amsterdam International; photographs of the Anglo-Russian Joint Advisory Council, the General Council of the International Federation of Trade Unions, and A.A. Purcell and Ben Smith with a group of Mexican trade unionists; 'The future of unity'; 'London, Amsterdam, Berlin' by A.B. Swales; 'Documents of two conferences'; 'A deplorable decision' by P.J. Schmidt; 'The rising tide of fascism' by Edo Fimmen; 'War against war'.
Vol.II, no.2, Feb 1926. Includes: cartoon re the coal dispute; photographs of A.J. Cook, Alderman W. Dobbie, and the German workers' delegation in Russia; 'A critical chronicle'; 'The mining class' by A.J. Cook; 'The need for unity' by W. Dobbie; 'The future of the trades councils' by Tom Mann; 'Teachers and unity' by Dan Griffiths; 'Tomsky on unity'; 'A German view of Russia'; 'The Indian Trade Union Congress'.
Vol.II, no.3, Mar 1926. Includes: Boris Efimov cartoon on the return to the gold standard; photographs of Mexican trade union leaders, Harold E. Clay, and Mussolini; 'A critical chronicle'; 'The good that could be done' by George Hicks; 'Some practical steps to industrial unity' by Harold E. Clay; 'Mexico and the workers' by A.A. Purcell; 'Not miners, but everybody!' by Jack Williams; 'Still postponing unity'; 'We are four!'; 'International fascist plot'; 'Yugoslav trade unionism'; 'Norwegian and Czech workers in Russia'.
Vol.II, no.4, Apr 1926. Includes: Boris Efimov cartoon on League of Nations / International Women's Day; photographs of miner at work, Thomas Johnston and R. Coppock; 'A critical chronicle'; 'Trade unionism in India' by Thomas Johnston; 'Building trades unity' by R. Coppock; 'A miner looks at Samuel' by David Proudfoot; 'The shadow of power' by Tom Quelch; 'Easton Lodge: Its meaning for trade unionists' by A.A. Purcell; 'The Balkans ask our help'; 'Singing the Red Flag' (women workers' strike demands in Japan); 'Russian unions at work'.
Vol.II, no.5, May 1926. Includes: Isvestia cartoon on the coal crisis; photographs of J.W. Brown, Robert Dennison, and 'The Passaic police charge strikers' (USA); 'A critical chronicle'; "Divide and rule" by J.W. Brown; 'Are trade unionists protectionists?' by Robert Dennison; 'A teachers' international' by D. Capper; 'Unity!' by Frances, Countess of Warwick; 'Rhodesia's Mussolinis' by J.W. Keller; 'First things first' (ILP); 'Americanism at work'; "We cannot approve" (re Mertens and the IFTU)
Vol.II, no.6, Aug 1926. Includes: photographs of W.H. Hutchinson, and the officers of the Miners' Federation; 'The Anglo-Russian Committee'; 'The outlook for international trade union unity'; 'Unity now urgent' by A.J. Cook; 'Our fight continues' by Herbert Smith; 'The miners' appeal'; 'Are we doing enough for the miners?' by R.B. Walker; 'From the Russian miners'; 'International unity and international capitalism' by W.H. Hutchinson.