You will find books on the Liturgical Cycle and preparing liturgies at 264.02 and 264.36 Ask a librarian for help if needed.
The following are good links to website resources.
Advent
Therefore the Lord himself will give you a sign: The virgin will be with child and will give birth to a son, and will call him Immanuel. (Isaiah 7:14)
And again, Isaiah says, "The Root of Jesse will spring up, one who will arise to rule over the nations; the Gentiles will hope in him." May the God of hope fill you with all joy and peace as you trust in him, so that you may overflow with hope by the power of the Holy Spirit (Rom. 15:12-13).
She will bear a son, and you shall call his name Jesus, for he will save his people from their sins. (Matthew 1:21) “Behold, the virgin shall conceive and bear a son, and they shall call his name Immanuel” (which means, God with us). Matthew 1:23
And the angel said to her, “Do not be afraid, Mary, for you have found favour with God. And behold, you will conceive in your womb and bear a son, and you shall call his name Jesus. (Luke 1:30-31)
Christmas
The Spirit of the LORD will rest on him-- the Spirit of wisdom and of understanding, the Spirit of counsel and of power, the Spirit of knowledge and of the fear of the LORD-- (Isaiah 11:2)
"But you, Bethlehem Ephrathah, though you are small among the clans of Judah, out of you will come for me one who will be ruler over Israel, whose origins are from of old, from ancient times." (Micah 5:2)
Every good gift and every perfect gift is from above, coming down from the Father of lights with whom there is no variation or shadow due to change. (James 1:17)
And the angel said to them, “Fear not, for behold, I bring you good news of great joy that will be for all the people. For unto you is born this day in the city of David a Savior, who is Christ the Lord. (Luke 2:10-11)
Ordinary Time
He said to them, “Because of your little faith. For truly, I say to you, if you have faith like a grain of mustard seed, you will say to this mountain, ‘Move from here to there,’ and it will move, and nothing will be impossible for you.” (Matthew 17:20)
And Jesus said to him, "Go your way; your faith has made you well." And immediately he regained his sight and began following Him on the road. (Mark 10:52)
But if God so clothes the grass, which is alive in the field today, and tomorrow is thrown into the oven, how much more will he clothe you, O you of little faith! (Luke 12:28)
Then Jesus told his disciples, “If anyone would come after me, let him deny himself and take up his cross and follow me. For whoever would save his life will lose it, but whoever loses his life for my sake will find it. For what will it profit a man if he gains the whole world and forfeits his soul? Or what shall a man give in return for his soul? For the Son of Man is going to come with his angels in the glory of his Father, and then he will repay each person according to what he has done. (Matthew 16:24-27)
but Jesus said, “Let the little children come to me and do not hinder them, for to such belongs the kingdom of heaven.” (Matthew 19:14)
Lent
At once the Spirit sent him out into the desert, and he was in the desert forty days, being tempted by Satan. He was with the wild animals, and angels attended him. After John was put in prison, Jesus went into Galilee, proclaiming the good news of God. "The time has come," he said. "The kingdom of God is near. Repent and believe the good news!" (Mark 1:12-15)
I tell you, no! But unless you repent, you too will all perish. (Luke 13:3)
"But if a wicked man turns away from all the sins he has committed and keeps all my decrees and does what is just and right, he will surely live; he will not die. (Ezekiel 18:21)
Easter
Jesus said to her, "I am the resurrection and the life. He who believes in me will live, even though he dies; and whoever lives and believes in me will never die. (John 11:25-26)
“And they found the stone rolled away from the tomb, but when they went in they did not find the body of the Lord Jesus.” (Luke 24:2-3)
“And with great power the apostles were giving their testimony to the resurrection of the Lord Jesus, and great grace was upon them all.” (Acts 4:33)
“The tombs also were opened. And many bodies of the saints who had fallen asleep were raised, and coming out of the tombs after his resurrection they went into the holy city and appeared to many. When the centurion and those who were with him, keeping watch over Jesus, saw the earthquake and what took place, they were filled with awe and said, “Truly this was the Son of God!” (Matthew 27:52-54)