Found the following hamletworks.org entries referring to line 78

View Commentary Note for 75
75 Hora. As thou art to thy selfe.1.1.59

View Commentary Note for 78
78 So frownd he once, when in an angry parle1.1.62

View Immaterial Textual Note for 78
78 So frownd he once, when in an angry parle1.1.62

View Material Textual Note for 78
78 So frownd he once, when in an angry parle1.1.62

View Commentary Note for 79
79 He smot the {sleaded pollax} <sledded Pollax> on the ice.1.1.63