Theses of John Cremona's students
Elise Whitley (Exeter 1990):
Modular symbols and elliptic curves over imaginary quadratic number fields
.
Not available online, try the University of Exeter library or the British Library (microfilm number DX 94090).
Samir Siksek (Exeter 1995):
Descent on curves of genus one
(pdf)
British Library microfilm number DX195240.
Steve Wesemeyer (Exeter 1997):
On the automorphism group of various Goppa codes
(pdf)
Jeremy Bygott (Exeter 1999):
Modular Forms and Modular Symbols over imaginary quadratic fields
(pdf)
British Library microfilm no: DX215989.
Tom Womack (Nottingham 2003):
Explicit descent on elliptic curves
(pdf)
Martin Prickett (Nottingham 2004):
Saturation of Mordell-Weil groups of elliptic curves over number fields
(University of Nottingham online thesis)
Mark Lingham (Nottingham 2005):
Modular forms and elliptic curves over imaginary quadratic fields
(University of Nottingham online thesis)
David Roberts (Nottingham 2007):
Explicit Descent On Elliptic Curves Over Function Fields
(pdf)
Maite Aranes (Warwick 2010):
Modular Symbols over Number Fields
(pdf)
Thotsaphon Thongjunthug (Warwick 2010):
Heights on elliptic curves over number fields, period lattices, and complex elliptic logarithms
(pdf)