album contribution of N. N. AAJH-197 to album amicorum of Jacobus Heyblocq
Album amicorum Jacob Heyblocq KB131H26 - p303 - Unknown contributor - Drawing - Man ploughing with an ox (Caption De tauris narrat arator).jpg
WikiProject Alba amicorum of the KB, national library of the Netherlands
Album amicorum of Jacobus Heyblocq (1623-1690), rector of the Latin school in Amsterdam
The album amicorum of Jacob Heyblocq : introduction, transcriptions, paraphrases & notes to the facsimile
Tekening van N.N. voor het album amicorum van Jacob Heyblocq (1623-1690), rector van de Latijnse school te Amsterdam