An Opening in a Cloudy Sky (Smaller Italian sketchbook, leaf 13 recto)

Cloud study (Smaller Italian sketchbook, leaf 14 recto)

Joseph Wright (Wright of Derby)

Landscape with umbrella pines and a distant mountain, near Rome (Smaller Italian sketchbook, leaf 41 recto)

Joseph Wright (Wright of Derby)

Skystudie

P.C. Skovgaard

Studies van aquaria met vissen

Gerrit Willem Dijsselhof

Cloud Study

Anonymous

Avondhemel met maan

Unknown Artist

Cloud Study

Anonymous

Studie van een wolkenlucht

Willem Roelofs (I)

Cloud Study

Anonymous

Studie van wolken

Pierre-Louis De la Rive

Schets

Gerrit Willem Dijsselhof

Mandsprofil og skystudie med farveangivelser

Martinus Rørbye