Perhaps it is unfair to doubt that Plutarch’s earlier reading of biographical sources was wider than the actual citations indicate. (On the impressive range of his reading, see Gossage, A.J. in Latin Biography (above, n. 18), 51–2Google Scholar and relevant notes and Stadter, P.A.Plutarch’s Historical Method: An Analysis of the Mulierum Virtutes (Cambridge, Mass. 1965), particularly 133.)CrossRefGoogle Scholar The scarcity of texts and fragility of the literary media brought memory into constant play, as opposed to actual cross–referencing (e.g. Perikles 24.7–12; cf. Stadter, op.cit. 138; A.J. Gossage, op. cit., 52 and n.21; Hamilton, J.R.Plutarch, Alexander: A Commentary (Oxford 1969), introduction.Google Scholar On the general practice in antiquity, see Gellius 1.23.2 and [Seneca]’s disturbing, if joking, self-justification — ‘Who asks the historian for his authorities?’ — Apocolocyntosis 1). On the whole question of intermediate sources and second or third hand references, see Russell, D.A.Plutarch (London 1972), 42–43.Google Scholar