tarihçi

/tarixtʃi/

Cases

SingularPluralWhen to use it
nominativetarihçithe historiantarihçilethe historiansthe plain dictionary form — the doer of the sentence
genitivetarihçinithe historian'starihçilenithe historians'the owner — whose it is
accusativetarihçinithe historian (as the object)tarihçilenithe historians (as the object)a specific, known object — whom or what
dativetarihçigeto the historiantarihçilegeto the historiansdirection or recipient — to where, to whom
locativetarihçideat / in the historiantarihçiledeat / in the historianswhere it is; also having — mende bar, "I have it"
ablativetarihçidenfrom the historiantarihçiledenfrom the historianswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
mytarihçimmy historiantarihçilerimmy historians
yourtarihçingyour historiantarihçileringyour historians
his / hertarihçisihis / her historiantarihçilerihis / her historians
ourtarihçibizour historiantarihçileribizour historians
you all'starihçigizyou all's historiantarihçilerigizyou all's historians
theirtarihçileritheir historiantarihçileritheir historians

The overlap in the last rows is real, not a mistake: tarihçileri can mean "his / her historians", "their historian", or "their historians" — context decides.