block, herbert · 1997
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![[Time portrait]](https://tile.loc.gov/storage-services/service/pnp/vrg/03000/03039_150px.jpg#h=150&w=113/full/!400,400/0/default.jpg)
![[Theoretical drawings]](https://tile.loc.gov/storage-services/service/pnp/pmru/14200/14280_150px.jpg#h=102&w=150/full/!400,400/0/default.jpg)
![[Design drawings of seals or other marks for commercial enterprises]](https://tile.loc.gov/storage-services/service/pnp/jpd/01000/01080_150px.jpg#h=150&w=108/full/!400,400/0/default.jpg)
