| AEU | Amalgamated Engineering Union |
| APCR | Anti-Parliamentary Communist Federation |
| ASE | Amalgamated Society of Engineers |
| BSP | British Socialist Party |
| BUF | British Union of Fascists |
| CEG | Clyde Emergency Committee |
| CO | Conscientious Objectors |
| CPGB | Communist Party of Great Britain |
| CSS | Catholic Socialist Society |
| CWC | Clyde Workers' Committee |
| DORA | Defence of the Realm Act |
| GWHA | Glasgow Women's Housing Association |
| ILP | Independent Labour Party |
| IWGB | Industrial Workers of Great Britain |
| IWW | International Workers of the World |
| LP | Labour Party |
| LWC | Labour Withholding Committee |
| MP | Member of Parliament |
| NCLC | National Council of Labour Colleges |
| NUWM | National Unemployed Workers Movement |
| OMS | Organisation of Maintenance Supplies |
| PLP | Parliamentary Labour Party |
| SDF | Social Democratic Federation |
| SLP | Socialist Labour Party |
| SSP | Scottish Socialist Party |
| STUC | Scottish Trades Union Congress |
| SSS | Socialist Sunday Schools |
| SWRP | Scottish Workers' Republican Party |
| TTU | Tramp Trust Unlimited |
| TUC | Trade Union Congress |
| UIL | United Irish League |
| WPC | Women's Peace Crusade |
| WSPU | Women's Social and Political Union |