The scanned text of Harivamsa edited by Pandit Ramachandrasastri Kinjawadekar available here (www.new.dli.ernet.in) is missing the following pages:
I) harivamshaparva

1) pages 4,5
   chapter 1, shloka 10-26

2) pages 58,59
   chapter 20 shloka 140-143
   chapter 21 shloka 1-34

3) page 62,63
   chapter 23, shloka 12-36
   chapter 24,  shloka 1-25

4) pages 132,133
chapter 48, shloka 3-46

II) viShNuparva

1) pages 260,261
   chapter 43, shloka 13-73

2) pages 366,367
   chapter 84, shloka 31-68
   chapter 85, shloka 1-71
   chapter 86, shloka 1-4

3) page 414
   chapter 105, shloka 68-84
   chapter 106, shloka 1-3

III) bhaviShyaparva

1) pages 710,711
   chapter 132, shloka 14-84

	
IV) santAnagopAlamantravidhi
    only first page available

V) harivamshamAhAtmyam
    chapter 1, shloka 1-21

VI) bhAratasAvitri 
   last shloka is number 86
    "ayAjn~nikamidaM ...  hUyamAneShu rajaShu". 
 Is this the last page of bhAratasAvitri?