1. Hague, William 1
2. Hansen, Marion Coates 1
3. Hardie, Keir 1, 2, 3
   1. as most successful leader 1
   2. conscience of 1
   3. statecraft 1, 2
   4. performance in general elections 1, 2, 3, 4, 5, 6, 7, 8, 9
   5. electoral strategy 1
   6. achievements as leader 1
   7. support for suffragette movement 1, 2
   8. leadership weaknesses of 1
   9. creation of Labour Party 1
   10. views on political action 1
   11. resists anti-clericalism 1
   12. entry into Parliament 1
   13. and unemployment 1
   14. and racial equality 1
   15. socialist beliefs 1
   16. anti-war views 1
   17. death of 1
   18. influence of 1
4. Hare, David 1
5. Harman, Harriet 1
6. Harrison, Walter 1
7. Harry, Bill 1, 2
8. Hattersley, Roy 1, 2, 3, 4, 5, 6
9. Havelock Wilson, Joseph 1
10. Healey, Denis 1, 2, 3, 4
    1. as Chancellor of the Exchequer 1, 2, 3
    2. and 1980 leadership bid 1
    3. becomes deputy leader 1
11. Heath, Edward 1, 2, 3
12. Heffer, Eric 1
13. Henderson, Arthur 1, 2, 3, 4
    1. statecraft 1
    2. performance in general elections 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
    3. and Keir Hardie 1, 2
    4. during First World War 1, 2
    5. and 1918 general election 1, 2
    6. and Ramsay MacDonald 1, 2, 3, 4, 5
    7. as Foreign Secretary 1
    8. influence on Labour Party 1
    9. party management 1, 2
    10. early life and career 1
    11. and trade unions 1, 2
    12. as party chairman 1, 2
    13. and House of Lords 1
    14. as leader of Labour Party 1, 2, 3
    15. and 1931 general election 1, 2
    16. and Ireland 1
14. Henderson, David 1
15. Heseltine, Michael 1
16. Hessell Tiltman, H. 1
17. Hewitt, Patricia 1
18. Hill, David 1, 2
19. Hobsbawn, Eric 1, 2
20. House of Lords 1
21. Howard, Michael 1
22. Howard, Peter 1
23. Howe, Geoffrey 1, 2
24. Hutton, Will 1
25. Hyndman, H. M. 1, 2