![Instrument of War: The Austrian Army in the Seven Years War by Duffy, Christopher: Very Good Hardcover (2000) | Lowry's Books Instrument of War: The Austrian Army in the Seven Years War by Duffy, Christopher: Very Good Hardcover (2000) | Lowry's Books](https://pictures.abebooks.com/LOWRYSBOOKS/13510095492_2.jpg)
Instrument of War: The Austrian Army in the Seven Years War by Duffy, Christopher: Very Good Hardcover (2000) | Lowry's Books
![Christopher Duffy's book on the Prussian Army of King Frederick's period's still the best on the subject, | Frederick the great, Frederick, Army Christopher Duffy's book on the Prussian Army of King Frederick's period's still the best on the subject, | Frederick the great, Frederick, Army](https://i.pinimg.com/originals/d6/7a/45/d67a45aaaebd8edce33783f5993355ec.jpg)
Christopher Duffy's book on the Prussian Army of King Frederick's period's still the best on the subject, | Frederick the great, Frederick, Army
![Instrument of War: The Austrian Army in the Seven Years War by Duffy, Christopher: Very Good Hardcover (2000) | Lowry's Books Instrument of War: The Austrian Army in the Seven Years War by Duffy, Christopher: Very Good Hardcover (2000) | Lowry's Books](https://pictures.abebooks.com/LOWRYSBOOKS/13510095492.jpg)