Hoe laat was het? :  het nederlandse uurwerk : Willet Holthuysen voorjaar 1956. 

 - [24] pages, 20 unnumbered pages of plates :  illustrations ;  26 cm. 
 - Gemeente musea Amsterdam ;  cat. no. 145 .
<br/><br/> Text signed: Enrico Morpurgo. 
<br/><br/><br/>In Dutch. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches--Netherlands--Exhibitions.<br/>Clocks and watches.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Netherlands.
<br/><br/><label>Subjects--Index Terms: </label>Clock (general) Netherlands City museum Amsterdam Gemeentemuseum Catalog Holthuysen, Willet History 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Exhibition catalogs.<br/>Exhibition catalogs.