Most cited Anglophone books on Hegel and on Nietzsche...

...according to Google Scholar.

Total citations--Hegel books in English

Rank	Author	Book	Year published	Citations
1	Charles Taylor (McGill, emeritus)	Hegel and Modern Society	1979	1480
2	Robert Pippin (Chicago)	Hegel’s Idealism	1989	1260
3	Terry Pinkard (Georgetown)	Hegel’s Phenomenology:  The Sociality of Reason	1994	1120
4	Allen Wood (Indiana)	Hegel’s Ethics	1990	1110
5	Robert Pippin (Chicago)	Hegel’s Practical Philosophy	2008	760

Citations by year

Rank	Author	Book	Year published	Citations per year since publication
1	Robert Pippin (Chicago)	Hegel’s Practical Philosophy	2008	59
2	Frederick Neuhouser (Barnard/Columbia)	Foundations of Hegel’s Social Theory	2009	53
3	Terry Pinkard (Georgetown)	Hegel’s Phenomenology:  The Sociality of Reason	1994	42
4	Robert Pippin (Chicago)	Hegel’s Idealism	1989	39
5	Allen Wood (Indiana)	Hegel’s Ethical Thought	1990	36

Total citations--Nietzsche books in English

Rank	Author	Book	Year first published	Total citations
1	Alexander Nehamas (emeritus, Princeton)	Nietzsche: Life as Literature	1985	2410
2	Walter Kaufmann (late of Princeton)	Nietzsche: Philosopher, Psychologist, Antichrist	1950	2220
3	Maudemarie Clark (UC Riverside; also emerita, Colgate)	Nietzsche on Truth and Philosophy	1990	1070
4	Brian Leiter (Chicago)	Nietzsche on Morality	2002	990
5	Arthur Danto (late of Columbia)	Nietzsche as Philosopher	1965	870

 Citations per year since publication

Rank	Author	Book	Year first published	Citations per year
1	Alexander Nehamas (emeritus, Princeton)	Nietzsche: Life as Literature	1985	67
2	Brian Leiter (Chicago)	Nietzsche on Morality	2002	52
3	Bernard Reginster (Brown)	The Affirmation of Life: Nietzsche on Overcoming Nihlism	2006	43
4	Maudemarie Clark (UC Riverside; also emerita, Colgate)	Nietzsche on Truth and Philosophy	1990	35
5	Walter Kaufmann (late of Princeton)	Nietzsche: Philosopher, Psychologist, Antichrist	1950	31

 Coming soon:  citations to Anglophone books on Kant and on Marx.