 በዚህ ሁኔታ ውስጥ, በእርግጥ አካባቢ አንድ መድብ ገቢ ትዕዛዝ እና ፊልም እንዲጠብቁ ማጥፋት ራስ ከነበረ እርግጠኛ እረፍት.
It was almost certainly at this time that individual pages were discreetly numbered in order to keep a record of the sketchbooks' contents and order.