Temple Law Library has an extensive collection of old trials. Here are just a few from this collection from the 17th century.
Charnock, Robert, 1663?-1696.
The tryals and condemnation of Robert Charnock, Edward King, and
Thomas Keyes, for the horrid and execrable conspiracy to
assassinate His Sacred Majesty K. William, in order to a French
invasion of this kingdom : who upon full evidence were found
guilty of high-treason, at the Sessions-House in the Old-Baily,
March 11, 1695/6 : together with a true copy of the papers
delivered by them to the sheriffs of London and Middlesex at
the time of their execution.
1696.
Charnock, Robert, 1663?-1696.
The tryals of Robert Charnock, Edward King, and Thomas Keyes, at
the sessions-house in the Old-Baily : die Mercurii 11 Martii,
1695, anno regni Regis Gulielmi Tertii, Octavo.
[London?] : Printed by Authority, [1696?]
Friend, John, Sir, d. 1696.
The arraignment, tryal, and condemnation of Sir John Friend,
Knight, for high treason : in endeavouring to procure forces
from France to invade this kingdom, and conspiring to levy war
in this realm for assisting and abetting the said invasion, in
order to the deposing of His Sacred Majesty King William, and
restoring the late King, at the sessions-house in the Old
-Bayly, on Monday, March 23, 1695/6 ...
London : Printed for Samuel Heyrick ... and Isaac Cleve ...,
1696.
Cranburne, Charles, d. 1696.
The arraignments, tryals and condemnations of Charles Cranburne
and Robert Lowick for the horrid and execrable conspiracy to
assassinate His Sacred Majesty King William in order to a
French invasion of this kingdom : who upon full evidence were
found guilty of high-treason before His Majesty's justices of
Oyer and Terminer at Westminster, and received sentence the
22d. of April, 1696, and were executed at Tyburn the 29th of
the said month : in which tryals are contained all the learned
arguments of the King's councel, and likewise the councel for
the prisoners, upon the new act of Parliament for regulating
tryals in cases of treason.
London : Printed for Samuel Heyrick ... and Isaac Cleave ...,
1696.
Warrington, Henry Booth, Earl of, 1652-1694.
The late Lord Russel's case, with observations upon it / written
by the Right Honourable Henry Lord De la Mere.
London : Printed for Awnsham Churchill ..., 1689.
Standsfield, Philip, d. 1688, defendant.
New-Milnes : for the murder of his father, and other crimes
[S.l. : s.n., 1688?]
Warrington, Henry Booth, Earl of, 1652-1694.
The tryal of Henry Baron Delamere for high-treason in
Westminster-Hall, the 14th day of January, 1685 : before the
Right Honourable George Lord Jeffreys, Baron of Wemm, Lord High
Chancellour of England, constituted Lord High Steward on that
occasion : on which day, after a full hearing, the Lord
Delamere was acquitted from all matters laid to his charge.
London : Printed for Dorman Newman ..., 1686.
The tryals of Henry Cornish, Esq., for conspiring the death of
the King, and raising a rebellion in this kingdom, and John
Fernley, William Ring, and Elizabeth Gaunt, for harbouring and
maintaining rebels : at the Sessions-House in the Old-Baily,
London, on a commission of Oyer and Terminer held there for the
city of London and county of Middlesex, on Monday, Octob. 19.,
1685.
London : Printed by George Croom, at the sign of the Blue-Ball in
Thames-street, near Baynard's Castle, 1685.
Cornish, Henry, d. 1685.
Remarks upon Mr. Cornish's tryal.
[London? : s.n., 1685?]
The tryals of John Fernley, William Ring, Elizabeth Gaunt and
Henry Cornish, esq : October 19, 1685.
[London?] : Published by authority, 1685.
Sprat, Thomas, 1635-1713.
A true account and declaration of the horrid conspiracy against
the late King, His present Majesty, and the government : as it
was order'd to be published by His late Majesty.
In the Savoy [London] : Sam. Lowndes, 1685.
Charles I, King of England, 1600-1649.
A true copy of the journal of the High Court of Justice, for the
tryal of K. Charles I. as it was read in the House of Commons,
and attested under the hand of Phelps, clerk to that infamous
court / taken by J. Nalson, LL.D. Jan. 4, 1683 ; with a large
introduction.
London : Printed by H. C. for Thomas Dring ..., 1684.
Charles I, King of England, 1600-1649.
A true copy of the journal of the High Court of Justice, for the
tryal of K. Charles I. as it was read in the House of Commons,
and attested under the hand of Phelps, clerk to that infamous
court / taken by J. Nalson, LL.D. Jan. 4, 1683 ; with a large
introduction.
London : Printed by H. C. for Thomas Dring ..., 1684.