Tranitional words

Additionally, Besides that, Not only...but also, Also, Furthermore, Too And, In addition,   As well, Moreover,

Moreover
The library on 5th Avenue in New York City is one of the best places to do research.  Moreover, it has hundreds of the most respected magazines and journals in the world

In addition
The library on 5th Avenue in New York City is one of the best places to do research.  Inaddition, it has hundreds of the most respected magazines and journals in the World

Furthermore,
The library on 5th Avenue in New York City is one of the best places to do research.  Furthermore, it has hundreds of the most respected magazines and journals in the world

Also
The library on 5th Avenue in New York City is one of the best places to do research.  It also has hundreds of themost respected magazines and journals in the world.

*The word also comes before the verb.  If the verb is a form of to be, also is placed after the verb

As well
The library on 5th Avenue in New York City is one of the best places to do research.  It has hundreds of the most respected magazines and journals in the world as well

Too
The library on 5th Avenue in New York City is one of thebest places to do research.  It has hundreds of the most respected magazines and journals in the world, too.

Additionally,
The library on 5th Avenue in New York City is one of the best places to do research.  Additionally, it has hundreds of the most respected magazines and journals in the World

And
The library on 5th Avenue in New York City is one of the best places to do research, and ithas hundreds of the most respected magazines and journals in the World

Not only. . . but also
The library on 5th Avenue in New York City is not only one of the best places to do research but also has hundreds of the most respected magazines and journals in the world.
*The subject after but also is usually omitted if but and also remain together, and the subject is the same for both clauses(parts) of the sentence

Besides that,
The library on 5th Avenue in New York City is one of the best places to do research.  Besides that, it has hundreds of the most respected magazines and journals in the world.

*That refers to what was said in the first sentence.  Though this use of the word besides is not written often, it is commonly used in speech.  Besides must be followed by an object.therefore - por lo tanto, por eso, por consiguiente
likewise - asimismo
in like manner - asimismo, de la misma manera
on the other hand - en cambio, por otra parte, por otro lado
otherwise - de lo contrario, de otro modo, de otra manera
on the contrary - al contrario/por el contrario
so - así que, de manera que, de modo que, por eso
however - sin embargo
nevertheless - no obstantemoreover/furthermore - además
besides - además (más informal que moreover y furthermore y también se puede usar al principio o al final de una frase; por ejemplo: Besides, he has money./He has money besides.
in spite of - a pesar de,  pese a
instead of - en vez de
although - aunque
still - aún, todavía

Transitional Words and Phrases

Sentences may be connected coherently by theuse of transitions. Be sure the word you choose indicates the appropriate relationship between ideas. The following list will be helpful in determining which transition to use:

TO INDICATE ADDITION:
again also, and, and then, besides, equally important, first, finally, further, furthermore, in addition, last, lastly, likewise, moreover, next, second, third, too

TO INDICATE CONTRAST:yet, after all, at the same time, although true, but, for all that, however, in contrast, in spite of, nevertheless, notwithstanding, on the contrary, on the other hand, still, despite the fact

TO INDICATE COMPARISON:
likewise, in a like manner, similarly

TO INDICATE SUMMARY:
in brief, in short, on the whole, to sum up, to summarize, in conclusion, to conclude...