File:Heike Kamerlingh Onnes - 03 - Brugstraat, Groningen At the back right Heike's birthplace Watercolor by AJ van Prooijen, 1861.png
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Heike_Kamerlingh_Onnes_-_03_-_Brugstraat,_Groningen_At_the_back_right_Heike's_birthplace_Watercolor_by_AJ_van_Prooijen,_1861.png (400 × 493 pixels, file size: 153 KB, MIME type: image/png)