Printed schedule of the old masters without attributsii. Are there any ideas?

[ledandy]

Hello and thanks in advance ! There has accumulated a certain number of prints that look good, but the hands are not given.
Maybe have some ideas ?
I have some , but little more lead .
A . Aquatint beginning or middle of the 18th century , apparently. Pastoral idyll. Francesco is a bit like London, but he did not.
Two . Etching . Military scene. The city surrenders. Mid to late 17th century. Again, like on the one hand , the French like Abraham Bosse , on the other Dutch type Romaine de Hoog . I even thought it Hoog , but it is much more static .
Three . Then all caulking . Engraving on copper. Late Baroque . What else ?
4. Again plugging . Two miniatures on old laid paper . Plots are clear: the abduction of Europa and Ganymede . But then I do not even understand what this technique, reproducing the effect of the pen. Aquatint , too ?
Dear experts , help ? Thank you so much !