6) its volume (number of sheets and records);
7) the content of the source material (the nature of records, the availability of
document copies, legal and diplomatic definition of the type of records, etc.);
8) the relation of this source to others;
9) the current place of preservation of the source, its history, in fact;
10) the history of the study of the source, its use in scientific papers, as well as
the publication of the source text [4, p. 137].
The material relating to the military art in Lviv in the second half of the fourteenth
and sixteenth centuries, due to its heterogeneity, should be studied in many respects,
of which the most important are the following:
1) archival and archivistics studies (unpublished sources on the issue under study
as a part of archival funds);
2) source study, in which it is possible to single out several main directions:
a) the history of the appearance of an array of documents on military art in Lviv;
b) the contents of the source material;
3) archaeological and textual aspect of the study of source material.
The history of Lviv is a very generous field for the work of the researcher, because
very few cities can boast of such a large number of sources for studying. These sources
include numerous materials that have been accumulated for centuries in the chancellery
of the city – magistracy documents, account books, privileges, universals and decrees
of the kings. The source base for the study of the issues associated with the history of
the military art, the development and position of the Lviv fortifications in the second
half of the 14
th
–16
th
centuries is quite extensive and typologically diverse, and contains
a set of both unpublished and published archival documents. The largest and most
complete array of sources on the history of the military art in Lviv make the documents
of the Lviv Magistrate of the second half of the 14
th
–16
th
centuries. Today, this group
of sources is well preserved, located in the Central State Historical Archives in Lviv,
where it makes a separate fund No. 52 – "Magistrate of the City of Lviv" [5, p.100–
101]. This fund includes two descriptions and 2,315 cases. These materials cover the
period of the second half of the fourteenth and nineteenth centuries. The documents
relating to the military art in Lviv, the development and position of urban fortifications
are contained in the first description of the fund.
Information potential of documentary communication of the Royal
Chancellery in the study of the defense capacity of Lviv in the 14
th
–16
th
centuries.
Let us consider the role and functions of privileges in the system of social
communications of the Lviv defense policy of the Jagiellonian dynasty during its pre-
source existence. The time of Władysław II Jagiełło’s rule became favorable both for
the development of the city and for the significant improvement of the city's
fortifications. Modernization of the city was facilitated by a number of privileges
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